- Series: The Spectroscope Series Record # 20949
- The Spectroscope
- The Spectroscope (Amazing Stories, May 1955) (1955) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, July 1955) (1955) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, September 1955) (1955) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, November 1955) (1955) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, December 1955) (1955) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, February 1956) (1956) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, March 1956) (1956) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, July 1956) (1956) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, September 1956) (1956) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, April 1957) (1957) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, June 1957) (1957) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, July 1957) (1957) [ES] by Villiers Gerson
- The Spectroscope (Amazing Stories, November 1957) (1957) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, December 1957) (1957) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, June 1958) (1958) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, July 1958) (1958) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, September 1958) (1958) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, November 1958) (1958) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, February 1960) (1960) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, January 1961) (1961) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, March 1961) (1961) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, May 1961) (1961) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, June 1961) (1961) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, August 1961) (1961) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, September 1961) (1961) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, October 1961) (1961) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, November 1961) (1961) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, December 1961) (1961) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, January 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, February 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, March 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, April 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, May 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, June 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, July 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, August 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, September 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, October 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, November 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, December 1962) (1962) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, January 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, February 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, March 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, April 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, May 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, June 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, July 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, August 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, September 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, October 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, November 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, December 1963) (1963) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, January 1964) (1964) [ES] by S. E. Cotts
- The Spectroscope (Amazing Stories, April 1964) (1964) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, May 1963) (1964) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, June 1964) (1964) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, July 1964) (1964) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, August 1964) (1964) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, September 1964) (1964) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, October 1964) (1964) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, November 1964) (1964) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, December 1964) (1964) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, January 1965) (1965) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, February 1965) (1965) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, March 1965) (1965) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, April 1965) (1965) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, May 1965) (1965) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, June 1965) (1965) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, August 1965) (1965) [ES] by Robert Silverberg
- The Spectroscope (Amazing Stories, November 1979) (1979) [ES] by Robert Wilcox [only as by Robert H. Wilcox]
- The Spectroscope (Amazing Stories, February 1980) (1980) [ES] by Robert Wilcox
- The Spectroscope: A Funny Thing Happened (1980) [ES] by Robert Wilcox