- Series: Letters: Marion Zimmer Bradley Series Record # 47379
- Letters: Marion Zimmer Bradley
- Letter (Startling Stories, May 1947): One for the Book---the Textbook (1947) [ES] by Marion Zimmer Bradley [only as by Marion Eleanor Zimmer]
- Letter (Thrilling Wonder Stories, June 1947): Excelsior---Huh? (1947) [ES] by Marion Zimmer Bradley [only as by Marion E. Zimmer]
- Letter (Thrilling Wonder Stories, December 1947): Why, Teacher! (1947) [ES] by Marion Zimmer Bradley [only as by Marion Zimmer]
- Letter (Startling Stories, January 1948): Fanniversary Waltz (1948) [ES] by Marion Zimmer Bradley [only as by Marion 'Astra' Zimmer]
- Letter (Startling Stories, March 1948): Are We Zimmering? (1948) [ES] by Marion Zimmer Bradley [only as by Marion E. Zimmer]
- Letter (Startling Stories, July 1948): Ode Ear! (1948) [ES] by Marion Zimmer Bradley [only as by Marion Zimmer]
- Letter (Startling Stories, September 1948): Kuttnerophile (1948) [ES] by Marion Zimmer Bradley [only as by Marion Zimmer]
- Letter (Startling Stories, November 1948): Miracle Issue (1948) [ES] by Marion Zimmer Bradley [only as by Marion Eleanor 'Astra' Add-a-Pearl Zimmer]
- Letter (Startling Stories, May 1949): Zimmer Simmers Again (1949) [ES] by Marion Zimmer Bradley [only as by Marion 'Astra' Zimmer]
- Letter (Thrilling Wonder Stories, February 1950): Albany A-Bomb (1950) [ES] by Marion Zimmer Bradley [only as by Marion Zimmer]
- Letter (Startling Stories, May 1950): Three Way Stretch (1950) [ES] by Marion Zimmer Bradley
- Letter (Startling Stories, July 1950): Oh-oh, Another Po' (1950) [ES] by Marion Zimmer Bradley
- Letter (Thrilling Wonder Stories, June 1951) (1951) [ES] by Marion Zimmer Bradley
- Letter (Thrilling Wonder Stories, August 1951) (1951) [ES] by Marion Zimmer Bradley
- Letter (Thrilling Wonder Stories, October 1951) (1951) [ES] by Marion Zimmer Bradley
- Letter (Startling Stories, April 1952) (1952) [ES] by Marion Zimmer Bradley
- Letter (Startling Stories, June 1952) (1952) [ES] by Marion Zimmer Bradley
- Letter (Startling Stories, September 1952) (1952) [ES] by Marion Zimmer Bradley
- Letter (Thrilling Wonder Stories, December 1952) (1952) [ES] by Marion Zimmer Bradley
- Letter (Startling Stories, January 1953) (1953) [ES] by Marion Zimmer Bradley
- Letter (Startling Stories, March 1953) (1953) [ES] by Marion Zimmer Bradley
- Letter (Thrilling Wonder Stories, June 1953) (1953) [ES] by Marion Zimmer Bradley
- Letter to Psychotic, September 1953 (1953) [ES] by Marion Zimmer Bradley
- Letter (Thrilling Wonder Stories, Winter 1954) (1954) [ES] by Marion Zimmer Bradley
- Letter (Thrilling Wonder Stories, Winter 1955) (1955) [ES] by Marion Zimmer Bradley
- Letter (Trumpet #2) (1965) [ES] by Marion Zimmer Bradley
- Letter (Science Fiction Review, January 1971) (1971) [ES] by Marion Zimmer Bradley
- Letter (Algol, May 1974) (1974) [ES] by Marion Zimmer Bradley [only as by Marion Z. Bradley]
- Letter (Science Fiction Review #13) (1975) [ES] by Marion Zimmer Bradley
- Letter: Reactions to "Lunch & Talk" (Janus Vol 2, No 4) (1977) [ES] by Marion Zimmer Bradley
- Letter (from Future Retrospective #12) (1977) [ES] by Marion Zimmer Bradley
- Letter (Science Fiction Review #25) (1978) [ES] by Marion Zimmer Bradley
- Letter (Locus #251) (1981) [ES] by Marion Zimmer Bradley
- Letter (Locus #268) (1983) [ES] by Marion Zimmer Bradley
- Letter (Fantasy Newsletter No. 61) (1983) [ES] by Marion Zimmer Bradley
- Letter (Locus #327) (1988) [ES] by Marion Zimmer Bradley
- Letter (Locus #392) (1993) [ES] by Marion Zimmer Bradley