The biogeographic evidence supporting the Pleistocene forest refuge hypothesis E Mayr, RJ O’Hara Evolution 40 (1), 55–67, 1986 | 385 | 1986 |
Homage to Clio, or, toward an historical philosophy for evolutionary biology RJ O’Hara Systematic Zoology 37 (2), 142–155, 1988 | 374 | 1988 |
Population thinking and tree thinking in systematics RJ O’Hara Zoologica Scripta 26 (4), 323–329, 1997 | 236 | 1997 |
Systematic generalization, historical fate, and the species problem RJ O’Hara Systematic Biology 42 (3), 231–246, 1993 | 217 | 1993 |
Telling the tree: Narrative representation and the study of evolutionary history RJ O’Hara Biology and Philosophy 7 (2), 135–160, 1992 | 163 | 1992 |
Cladistic analysis of an Old Norse manuscript tradition PMW Robinson, RJ O’Hara Research in Humanities Computing 4, 115–137, 1996 | 95 | 1996 |
Representations of the natural system in the nineteenth century RJ O’Hara Biology and Philosophy 6 (2), 255–274, 1991 | 88 | 1991 |
A computer approach to the comparison and identification of species in difficult taxonomic groups EE Williams, H Rand, AS Rand, RJ O’Hara Breviora 502, 1–47, 1995 | 84 | 1995 |
Evolutionary history and the species problem RJ O’Hara American Zoologist 34 (1), 12–22, 1994 | 65 | 1994 |
Trees of history in systematics and philology RJ O’Hara Memorie della Società Italiana di Scienze Naturali e del Museo Civico di …, 1996 | 64 | 1996 |
Systematics and the study of natural history, with an estimate of the phylogeny of the living penguins (Aves: Spheniscidae) RJ O’Hara Ph.D. dissertation, Harvard University, 1989 | 53* | 1989 |
Computer-assisted methods of stemmatic analysis RJ O’Hara, PMW Robinson Occasional Papers of the Canterbury Tales Project 1, 53–74, 1993 | 48 | 1993 |
Report on the textual criticism challenge 1991 PMW Robinson, RJ O’Hara Bryn Mawr Classical Review 3 (4), 331–337, 1992 | 47 | 1992 |
Diagrammatic classifications of birds, 1819–1901: Views of the natural system in 19th-century British ornithology RJ O’Hara Acta XIX Congressus Internationalis Ornithologici, 2746–2759, 1988 | 34* | 1988 |
How to build a residential college RJ O’Hara Planning for Higher Education 30 (2), 52–57, 2001 | 31 | 2001 |
Essay-review of Sibley and Ahlquist’s “Phylogeny and Classification of Birds” RJ O’Hara Auk 108 (4), 990–994, 1991 | 30* | 1991 |
The Collegiate Way: Residential Colleges and the Renewal of University Life RJ O’Hara The Collegiate Way (collegiateway.org), 2000 | 24* | 2000 |
The Richmond Index to the Genera and Species of Birds CW Richmond, RJ O’Hara GK Hall & Company, 1992 | 17 | 1992 |
Mapping the space of time: Temporal representation in the historical sciences RJ O’Hara Memoirs of the California Academy of Sciences 20, 7–17, 1996 | 15* | 1996 |
Hogwarts U RJ O’Hara Inside Higher Ed 2006 (28 November), 2006 | 10 | 2006 |