- Series: Letters: Robert Bloch Series Record # 65252
- Letters: Robert Bloch
- Letter (Weird Tales, November 1932) (1932) [ES] by Robert Bloch
- Letter (Weird Tales, September 1933) (1933) [ES] by Robert Bloch
- Letter (Weird Tales, March 1934) (1934) [ES] by Robert Bloch
- Letter (Weird Tales, April 1934) (1934) [ES] by Robert Bloch
- Letter (Weird Tales, September 1934): About Our Authors (1934) [ES] by Robert Bloch
- Letter (Weird Tales, November 1934): A Crack at Conan (1934) [ES] by Robert Bloch
- Letter (Weird Tales, December 1934): Pithy Comments (1934) [ES] by Robert Bloch
- Letter (Weird Tales, May 1935): Robert Bloch's Rejoinder (1935) [ES] by Robert Bloch
- Letter (Weird Tales, December 1935): Random Remarks by an Author (1935) [ES] by Robert Bloch
- Letter (Weird Tales, May 1936): Henry Kuttner's Story (1936) [ES] by Robert Bloch
- Letter (Weird Tales, June 1936): Concise Comments (1936) [ES] by Robert Bloch
- Letter (Weird Tales, July 1936): Concise Comments (1936) [ES] by Robert Bloch
- Letter (Weird Tales, October 1936): Pointed Paragraphs (1936) [ES] by Robert Bloch
- Letter (Weird Tales, March 1937): Ye Olde Horride Monthlie (1937) [ES] by Robert Bloch
- Letter (Weird Tales, April 1937): Lovecraft Reprints (1937) [ES] by Robert Bloch
-
Letter (Weird Tales, June 1937): From Robert Bloch (1937) [ES]
by
Robert Bloch
also appeared as:
- Variant: Letter to Weird Tales (1937)
- Letter (Weird Tales, January 1938): Circumventing the Hero (1938) [ES] by Robert Bloch
- Letter (Imagination!, April 1938) (1938) [ES] by Robert Bloch
- Letter (Weird Tales, August 1939): A Fine Story (1939) [ES] by Robert Bloch
- Letter (Weird Tales, October 1939): Different Stuff (1939) [ES] by Robert Bloch
- Letter (Weird Tales, January 1940): He Likes 'em WIld (1940) [ES] by Robert Bloch
- Letter (Weird Tales, September 1941): The Author's Viewpoint (1941) [ES] by Robert Bloch
- Letter (Weird Tales, July 1942) (1942) [ES] by Robert Bloch
- Letter (Weird Tales, November 1942): Robert Bloch (1942) [ES] by Robert Bloch
- Letter (Weird Tales, September 1943): Robert Bloch Has More Nightmares (1943) [ES] by Robert Bloch
- Letter (Weird Tales, May 1944): Behind the Iron Mask (1944) [ES] by Robert Bloch
- Letter (Weird Tales, November 1944): Bloch Looks at Bats (1944) [ES] by Robert Bloch
-
Letter (Weird Tales, July 1945) (1945) [ES]
by
Robert Bloch
also appeared as:
- Variant: Letter (Weird Tales, September 1945) (1945)
- Variant: Letter (Weird Tales, September 1945) [2] (1945)
- Letter (The Acolyte, Fall 1945) (1945) [ES] by Robert Bloch
- Letter (Fantasy Review, April-May 1948) (1948) [ES] by Robert Bloch
- Letter (Science-Fantasy Review, Spring 1950) (1950) [ES] by Robert Bloch
- Letter (Fantastic Worlds, Fall-Winter 1952) (1952) [ES] by Robert Bloch
- Letter (Hyphen 5) (1953) [ES] by Robert Bloch [only as by Bob Bloch]
- Letter (Hyphen, January 1954) (1954) [ES] by Robert Bloch
- Letter to Psychotic, January 1954 (1954) [ES] by Robert Bloch
- Letter to Psychotic, February 1954 (1954) [ES] by Robert Bloch
- Letter to Psychotic, March 1954 (1954) [ES] by Robert Bloch
- Letter to Psychotic, May 1954 (1954) [ES] by Robert Bloch
- Letter to Psychotic, June 1954 (1954) [ES] by Robert Bloch
- Letter to Psychotic, September-October 1954 (1954) [ES] by Robert Bloch
- Letter to Psychotic, November 1954 (1954) [ES] by Robert Bloch
- Letter (Now & Then No. 6, November 1955) (1955) [ES] by Robert Bloch
- Letter (Inside and Science Fiction Advertiser #9, May 1955) (1955) [ES] by Robert Bloch
- Letter to Psychotic, May-June-July 1955 (1955) [ES] by Robert Bloch
- Letter to a Convention-Goer (1956) [ES] by Robert Bloch
- Letter (Amra V2n3, May 1959) (1959) [ES] by Robert Bloch
- A Letter from Sally Ann Bloch (1962) [ES] by Robert Bloch
- From a Letter to P. Howard Lyons (1962) [ES] by Robert Bloch
- Letter (Trumpet #3) (1965) [ES] by Robert Bloch
- Letter (Riverside Quarterly, June 1966) (1966) [ES] by Robert Bloch
- Letter (Riverside Quarterly, November 1966) (1966) [ES] by Robert Bloch
- Letter to Psychotic, December 1967 (1967) [ES] by Robert Bloch [only as by Bob Bloch]
- Letter to Psychotic, January 1968 (1968) [ES] by Robert Bloch
- Letter to Psychotic, March 1968 (1968) [ES] by Robert Bloch
- Letter (Riverside Quarterly, August 1968) (1968) [ES] by Robert Bloch
- Letter: Science Fiction Review, November 1968 (1968) [ES] by Robert Bloch
- Letter (Trumpet #10) (1969) [ES] by Robert Bloch
- Letter (Science Fiction Review, August 1969) (1969) [ES] by Robert Bloch
- Letter (Science Fiction Review, February 1970) (1970) [ES] by Robert Bloch
- Letter (Riverside Quarterly, June 1970) (1970) [ES] by Robert Bloch
- Letter (Science Fiction Review, June 1970) (1970) [ES] by Robert Bloch [only as by Bob Bloch]
- Letter (Science Fiction Review, October 1970) (1970) [ES] by Robert Bloch
- Letter (Riverside Quarterly, March 1971) (1971) [ES] by Robert Bloch
- Letter (Riverside Quarterly, July 1971) (1971) [ES] by Robert Bloch
- Letter (Riverside Quarterly, February 1972) (1972) [ES] by Robert Bloch
- Letter (The Alien Critic, January 1973) (1973) [ES] by Robert Bloch
- Letter (Riverside Quarterly, April 1973) (1973) [ES] by Robert Bloch
- Letter (Moebius Trip Library: Science Fiction Echo 17) (1973) [ES] by Robert Bloch
- Letter (The Alien Critic #5): Postcard from Bob Bloch (1973) [ES] by Robert Bloch [only as by Bob Bloch]
- Letter (Algol 20, May 1973) (1973) [ES] by Robert Bloch
- Letter (The Alien Critic #6) (1973) [ES] by Robert Bloch
- Letter (Riverside Quarterly, August 1973) (1973) [ES] by Robert Bloch
- Letter (The Alien Critic #7) (1973) [ES] by Robert Bloch
- Letter (The Alien Critic #8) (1974) [ES] by Robert Bloch
- Letter (From Beyond the Gateway, April 1974) (1974) [ES] by Robert Bloch
- Letter (The Alien Critic #9) (1974) [ES] by Robert Bloch
- Letter (Anduril #4, July 1974) (1974) [ES] by Robert Bloch
- Letter (The Alien Critic #10) (1974) [ES] by Robert Bloch [only as by Bob Bloch]
- Letter (The Alien Critic #11) (1974) [ES] by Robert Bloch
- Letter (Science Fiction Review #12) (1975) [ES] by Robert Bloch [only as by Bob Bloch]
- Letter (Fantasy Crossroads, May 1975) (1975) [ES] by Robert Bloch
- Letter (Science Fiction Review #13) (1975) [ES] by Robert Bloch
- Letter (Algol, Summer 1975) (1975) [ES] by Robert Bloch
- Letter (Science Fiction Review #14) (1975) [ES] by Robert Bloch [only as by Bob Bloch]
- Letter (Riverside Quarterly, August 1975) (1975) [ES] by Robert Bloch
- Letter (Science Fiction Review #15) (1975) [ES] by Robert Bloch
- Letter (SF Commentary 79) (1976) [ES] by Robert Bloch
- Letter (Quantum (1975-78), #2) (1976) [ES] by Robert Bloch
- Letter (Science Fiction Review #16) (1976) [ES] by Robert Bloch
- Letter (Fantasy Crossroads, February 1976) (1976) [ES] by Robert Bloch
- Letter (Science Fiction Review #17) (1976) [ES] by Robert Bloch
- Letter (The Diversifier #15) (1976) [ES] by Robert Bloch
- Letter (Science Fiction Review #18) (1976) [ES] by Robert Bloch
- Letter (Algol, Fall 1976-Winter 1977) (1976) [ES] by Robert Bloch [only as by Robert A. Bloch]
- Letter (Science Fiction Review #20) (1977) [ES] by Robert Bloch
- Letter (Science Fiction Review #21) (1977) [ES] by Robert Bloch
- Letter (SF Commentary 52) (1977) [ES] by Robert Bloch
- Letter (Algol, Summer-Fall 1977) (1977) [ES] by Robert Bloch [only as by Robert A. Bloch]
- Letter (Science Fiction Review #22) (1977) [ES] by Robert Bloch
- Letter (The Diversifier #22) (1977) [ES] by Robert Bloch
- Letter (From Beyond the Gateway, October 1977) (1977) [ES] by Robert Bloch
- Letter (Science Fiction Review #23) (1977) [ES] by Robert Bloch
- Letter (Riverside Quarterly, December 1977) (1977) [ES] by Robert Bloch
- Letter (The Weird Tales Collector, #4) (1978) [ES] by Robert Bloch
- Letter (Science Fiction Review #24) (1978) [ES] by Robert Bloch
- Letter (Nyctalops #14, March 1978) (1978) [ES] by Robert Bloch
- Letter (Algol, Spring 1978) (1978) [ES] by Robert Bloch
- Letter (Science Fiction Review #25) (1978) [ES] by Robert Bloch
- Letter (The Diversifier #26) (1978) [ES] by Robert Bloch [only as by Robert A. Bloch]
- Letter (Science Fiction Review #26) (1978) [ES] by Robert Bloch
- Letter (Algol, Summer-Fall 1978) (1978) [ES] by Robert Bloch
- Letter (Science Fiction Review #28) (1978) [ES] by Robert Bloch
- Letter (Science Fiction Review #29) (1979) [ES] by Robert Bloch
- Letter (Science Fiction Review #30) (1979) [ES] by Robert Bloch
- Letter (Science Fiction Review #31) (1979) [ES] by Robert Bloch
- Letter (Starship, Spring 1979) (1979) [ES] by Robert Bloch
- Letter (Starship, Summer 1979) (1979) [ES] by Robert Bloch
- Letter (Science Fiction Review #33) (1979) [ES] by Robert Bloch
- Letter (Starship, Fall 1979) (1979) [ES] by Robert Bloch
- Letter (Starship, Winter 1979-1980) (1980) [ES] by Robert Bloch
- Letter (Starship, Spring 1980) (1980) [ES] by Robert Bloch
- Letter (Science Fiction Review #36) (1980) [ES] by Robert Bloch
- Letter (Science Fiction Review #37) (1980) [ES] by Robert Bloch
- Letter (Weird Tales #1) (1980) [ES] by Robert Bloch
- Letter (Trumpet #12) (1981) [ES] by Robert Bloch
- Letter (Starship, Summer-Fall 1981) (1981) [ES] by Robert Bloch
- Letter [2] (Starship, Summer-Fall 1981) (1981) [ES] by Robert Bloch
- Letter (Science Fiction Review #38) (1981) [ES] by Robert Bloch
- Letter (Science Fiction Review #39) (1981) [ES] by Robert Bloch
- Letter (Science Fiction Review #40) (1981) [ES] by Robert Bloch
- Letter (Science Fiction Review #41) (1981) [ES] by Robert Bloch [only as by Robert A. Bloch]
- Letter (Science Fiction Review #42) (1982) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Eastertide 1982) (1982) [ES] by Robert Bloch
- Letter (Science Fiction Review #43) (1982) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Roodmas 1982) (1982) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, St. John's Eve 1982) (1982) [ES] by Robert Bloch
- Letter (Science Fiction Review #44) (1982) [ES] by Robert Bloch
- Letter (Science Fiction Review #45) (1982) [ES] by Robert Bloch
- Letter (Science Fiction Review #46) (1983) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Candlemas 1983) (1983) [ES] by Robert Bloch
- Letter (Science Fiction Review #47) (1983) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Roodmas 1983) (1983) [ES] by Robert Bloch
- Letter (Riverside Quarterly, May 1983) (1983) [ES] by Robert Bloch
- Letter (Science Fiction Review #48) (1983) [ES] by Robert Bloch
- Letter (Science Fiction Review #49) (1983) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Hallowmas 1983) (1983) [ES] by Robert Bloch
- Letter (Science Fiction Review #50) (1984) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Candlemas 1984) (1984) [ES] by Robert Bloch
- Letter (Science Fiction Review #51) (1984) [ES] by Robert Bloch [only as by Robert A. Bloch]
- Letter (Crypt of Cthulhu, Roodmas 1984) (1984) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, St. John's Eve 1984) (1984) [ES] by Robert Bloch
- Letter (Science Fiction Review #52) (1984) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Lammas 1984) (1984) [ES] by Robert Bloch
- Letter (Fantasy Review, September 1984) (1984) [ES] by Robert Bloch
- Letter (Science Fiction Review #53) (1984) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Hallowmas 1984) (1984) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Yuletide 1984) (1984) [ES] by Robert Bloch
- Letter (Science Fiction Review #54) (1985) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Eastertide 1985) (1985) [ES] by Robert Bloch
- Letter (Science Fiction Review #55) (1985) [ES] by Robert Bloch
- Letter (Science Fiction Review #56) (1985) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Hallowmas 1985) (1985) [ES] by Robert Bloch
- Letter (Science Fiction Review #57) (1985) [ES] by Robert Bloch
- Letter (Fantasy Review, December 1985) (1985) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Yuletide 1985) (1985) [ES] by Robert Bloch
- Letter (Riverside Quarterly, December 1985) (1985) [ES] by Robert Bloch
- Letter to a TAFF Winner (1986) [ES] by Robert Bloch
- Letter (Science Fiction Review #58) (1986) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Candlemas 1986) (1986) [ES] by Robert Bloch
- Letter (Science Fiction Review #59) (1986) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Roodmas 1986) (1986) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Michaelmas 1986) (1986) [ES] by Robert Bloch
- Letter (Science Fiction Review #61) (1986) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Hallowmas 1986) (1986) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Candlemas 1987) (1987) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Eastertide 1987) (1987) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Roodmas 1987) (1987) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, St. John's Eve 1987) (1987) [ES] by Robert Bloch
- Letter, March 23, 1987 (1987) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Michaelmas 1987) (1987) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Yuletide 1987) (1987) [ES] by Robert Bloch
- Letter [2] (Crypt of Cthulhu, Yuletide 1987) (1987) [ES] by Robert Bloch
- Letter (Weird Tales, Summer 1988) (1988) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Candlemas 1988) (1988) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Roodmas 1988) (1988) [ES] by Robert Bloch
- Letter [2] (Crypt of Cthulhu, Roodmas 1988) (1988) [ES] by Robert Bloch
- Letter (Revelations from Yuggoth #2) (1988) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, St. John's Eve 1988) (1988) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Michaelmas 1988) (1988) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Hallowmas 1988) (1988) [ES] by Robert Bloch
- Letter (Weird Tales, Fall 1989) (1989) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Eastertide 1989) (1989) [ES] by Robert Bloch
- Letter [2] (Crypt of Cthulhu, Eastertide 1989) (1989) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Michaelmas 1989) (1989) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Yuletide 1989) (1989) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Eastertide 1990) (1990) [ES] by Robert Bloch
- Letter [2] (Crypt of Cthulhu, Michaelmas 1990) (1990) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Michaelmas 1990) (1990) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Hallowmas 1990) (1990) [ES] by Robert Bloch
- Letter (Weird Tales, Fall 1991) (1991) [ES] by Robert Bloch
- Letter to The Geis Letter, April 1992 (1992) [ES] by Robert Bloch
- Letter to The Geis Letter, June 1992 (1992) [ES] by Robert Bloch
- Letter to The Geis Letter, July 1992 (1992) [ES] by Robert Bloch
- Letter to The Geis Letter, August 1992 (1992) [ES] by Robert Bloch
- Letter (Pulphouse, November 1992) (1992) [ES] by Robert Bloch
- Letter to The Geis Letter, December 1992 (1992) [ES] by Robert Bloch
- Letter to the Geis Letter, October 1993 (1993) [ES] by Robert Bloch
- Letter (Crypt of Cthulhu, Eastertide 1994) (1994) [ES] by Robert Bloch
- Letter to Nyctalops, August 17, 1974 (2009) [ES] by Robert Bloch