| Fossil leaves, fruits, and seeds of Cercidiphyllum RW Brown Journal of Paleontology, 485-499, 1939 | 102 | 1939 |
| Miocene leaves, fruits, and seeds from Idaho, Oregon, and Washington RW Brown Journal of Paleontology, 572-587, 1935 | 87 | 1935 |
| Palmlike plants from the Dolores formation (Triassic), southwestern Colorado RW Brown Professional Paper, 1956 | 81 | 1956 |
| Tertiary strata in eastern Montana and western North and South Dakota RW Brown Montana Geological Society, 1952 | 75 | 1952 |
| Celliforma spirifer, the fossil larval chambers of mining bees RW Brown Journal of the Washington Academy of Sciences 24 (12), 532-539, 1934 | 74 | 1934 |
| Alterations in some fossil and living floras RW Brown Journal of the Washington Academy of Sciences 36 (10), 344-355, 1946 | 69 | 1946 |
| Cretaceous plants from southwestern Colorado RW Brown, Geological survey (Etats-Unis) US Government Printing Office, 1950 | 62 | 1950 |
| Composition of scientific words. Revised edition RW Brown Washington: Smithsonian Institution, 1956 | 60 | 1956 |
| Fossil plants from the Colgate Member of the Fox Hills Sandstone and adjacent strata RW Brown Professional Paper, 239-271, 1939 | 59 | 1939 |
| Additions to the flora of the Green River Formation RW Brown Professional Paper, 1929 | 59 | 1929 |
| New species and changes of name in some American fossil floras RW Brown Journal of the Washington Academy of Sciences 30 (8), 344-356, 1940 | 55 | 1940 |
| American Cretaceous ferns of the genus Tempskya CB Read, RW Brown US Government Printing Office, 1937 | 53 | 1937 |
| Fossil plants and Jurassic-Cretaceous boundary in Montana and Alberta RW Brown AAPG Bulletin 30 (2), 238-248, 1946 | 43 | 1946 |
| Further notes on fossil larval chambers of mining bees RW Brown Journal of the Washington Academy of Sciences 25 (12), 526-528, 1935 | 42 | 1935 |
| Fossil plants from the Aspen Shale of southwestern Wyoming RW Brown Proceedings of the United States National Museum, 1933 | 42 | 1933 |
| Correlation of Sentinel Butte shale in western North Dakota RW Brown AAPG Bulletin 32 (7), 1265-1274, 1948 | 41 | 1948 |
| BULLETIN OP THE AMERICAN ASSOCIATION OP PETROLEUM GEOLOGISTS VOL. 32. NO. 7 (JULY. IMS). PP. 1265-1274. 3 PISS. WN DAKOTA, RW BROWN Bulletin of the American Association of Petroleum Geologists 32, 1265, 1948 | 41* | 1948 |
| Fort Union Formation in the Powder River Basin, Wyoming RW Brown Wyoming Geological Association, 1958 | 34 | 1958 |
| Paleocene deposits of the Rocky Mountains and plains: US Geol RW Brown Survey prelim. map 1 (1,000,000), 1949 | 34 | 1949 |
| Age of the Kingsbury conglomerate is Eocene RW Brown Geological Society of America Bulletin 59 (11), 1165-1172, 1948 | 34 | 1948 |
