| Life zones and crop zones of the United States CH Merriam US Government Printing Office, 1898 | 458 | 1898 |
| Results of a biological survey of the San Francisco Mountain region and desert of the Little Colorado, Arizona CH Merriam, L Stejneger US Government Printing Office, 1890 | 402 | 1890 |
| Laws of temperature control of the geographic distribution of terrestrial animals and plants CH Merriam | 295 | 1894 |
| The prairie dog of the Great Plains CH Merriam Yearbook. US Dept. Agric, 1901 (1902). 257-270. pl. 22-24, 1902 | 203 | 1902 |
| The geographic distribution of life in North America: with special reference to the mammalia CH Merriam Biological Society of Washington, 1892 | 141 | 1892 |
| Studies of California Indians CH Merriam Univ of California Press, 2023 | 92 | 2023 |
| The Indian Population of California CH Merriam American Anthropologist 7 (4), 594-606, 1905 | 85 | 1905 |
| Revision of the shrews of the American genera Blarina and Notiosorex CH Merriam US Government Printing Office, 1895 | 85 | 1895 |
| Results of a biological survey of Mount Shasta, California CH Merriam US Government Printing Office, 1899 | 79* | 1899 |
| Review of the grizzly and big brown bears of North America (genus Ursus): with description of a new genus, Vetularctos CH Merriam US Government Printing Office, 1918 | 75 | 1918 |
| The mammals of the Adirondack region CH Merriam Hansebooks GmbH, 2017 | 69 | 2017 |
| Synopsis of the American shrews of the genus Sorex CH Merriam North American Fauna, 57-125, 1895 | 67 | 1895 |
| Results of a biological reconnoissance of Idaho, south of latitude 45 and east of the thirty-eighth meridian, made during the summer of 1890, with annotated lists of the … CH Merriam North American Fauna, 1-30, 1891 | 66 | 1891 |
| Descriptions of twenty new species and a new subgenus of Peromyscus from Mexico and Guatemala CH Merriam Proceedings of the Biological Society of Washington 12 (27), 115-125, 1898 | 61 | 1898 |
| Geographic distribution of animals and plants in North America CH Merriam | 58 | 1895 |
| The Acorn: A Possibly Neglected Source of Food CH Merriam National Geographic Society, 1918 | 54 | 1918 |
| Revision of the North American pocket mice CH Merriam US Government Printing Office, 1889 | 54 | 1889 |
| Descriptions of twenty-six new species of North American mammals CH Merriam US Government Printing Office, 1890 | 52 | 1890 |
| Six new mammals from Cozumel Island, Yucatan CH Merriam Proc. Biol. Soc. Wash. 14, 99, 1901 | 49 | 1901 |
| California athabascan groups MA Baumhoff Good Press, 2023 | 45 | 2023 |
