- Cumulative Subject Index, Volumes 20-44, Volume 45 (Advances in Marine Biology) (v. 20-44) (v. 22-44)
- Indice de proyectos en desarrollo en ecologia tropical =: Index of current tropical ecology research by Arturo Gomez Pompa, 1975
- Ecology, Twenty Year Index (Volumes 31 - 50, 1950 - 1969) by A.J. Thomas III and Forest Stearns, 1975
- Ecology Ten Year Index Volumes 51-60 1970-1979 by A.J. Thomas, 1981
- Ecology, Thiry Year Index (Volumes 1 - 30, 1920 - 1949) by John M. Aikman and Frank C. Giles, 1952
- Ecology, Ten Year Index (Volumes 51 - 60, 1970 - 1979) by A.J. Thomas III and Forest Stearns, 1981
- Lake District waters: An index and bibliography of scientific research (Occasional publication / Freshwater Biological Association) by J. E. M Horne, 1985
- Contents list and indexes for the Atoll research bulletin (SuDoc SI 1.25:347) by Mary McCutcheon, 1991
- Relations between western white pine site index and tree height of several associated species (U.S. Forest Service research paper INT) by G. H Deitschman, 1965
- Ecology of the Nevada Test Site: An annotated bibliography : with narrative summary, keyword index, and species lists by Cathy A Wills, 2001
- Multi-metric index development for biological monitoring in Washington State streams (Publication) by Chad D Wiseman, 2003
- A trophic state index for the Louisiana coastal zone by Ann Seaton Witzig, 1983
- U.S. IBP Grassland Biome literature: A KWIC index and abstracts (Technical report / U.S. International Biological Program. Grassland Biome) by Jamuna Sharan Singh, 1972
- Sanctuary! Sanctuary! (Essay Index Reprint) by Dallas Lore Sharp, 1977-06
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