Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande valley - Bailey, Florence Merriam, 1863 -1948 (Houghton, Mifflin and company, 1904)

Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande Valley - Bailey, Florence Merriam, 1863 -1948 (Houghton, Mifflin and company, 1902)

Handbook of birds of the western United States, including the Great Plains, Great Basin, Pacific Slope, and lower Rio Grande valley - Bailey, Florence Merriam, 1863 -1948 (Houghton Mifflin company, 1908)

Hardwood record (Hardwood Co, 1913)

Hedwigia (Verlag und Druck von C. Heinrich, 1909)

Herpetofauna mexicana : lista anotada de las especies de anfibios y reptiles de México, cambios taxonómicos recientes, y nuevas especies = Annotated list of the species of amphibians and reptiles of Mexico, recent taxonomic changes, and new species - McCoy, Clarence J. (Carnegie Museum of Natural History, 1993)

A herpetofaunal survey of the Mojave Desert of eastern San Bernardino County, California - United States. Bureau of Land Management. ([U.S. Dept. of the Interior, Bureau of Land Management, California Desert District Office], 1976)

Herpetological correlations. I, Correlations in homogeneous populations - Klauber, Laurence Monroe, 1883 -1968 (Zoological Society of San Diego, 1945)

A herpetological review of the Hopi snake dance - Klauber, Laurence Monroe, 1883 -1968 (1932)

Honey plants of California - Richter, M. C. (Max Clemens), 1884 - (Agricultural Experiment Station, 1911)

Identification of crop and weed seeds - Musil, Albina F. (Albina Frances), 1894 - (Agricultural Marketing Service, U.S. Dept. of Agriculture, 1963)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1957)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1964)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1978)

Illustrated retail catalog no. 3 : effective July 1, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocking Horse Cactus Gardens, 1952)

Improving productivity on forests and rangelands : 1980 research accomplishments - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1981)

Index to information on insects associated with western wildland shrubs - Nelson, David L. (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1988)

Intermountain range plant names and symbols - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest and Range Experiment Station, 1977)

The Journal of arachnology - American Arachnological Society (American Arachnological Society, 1994)