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  1. Taxonomic literature : a selective guide to botanical publications and collections with dates, commentaries and types
    By: Stafleu, Frans A. (Frans Antonie), 1921-1997 - Cowan, Richard S.
    Edition: 2d ed.
    Publication info: Utrecht :Bohn, Scheltema & Holkema,1976-1988.
    Contributed by: Smithsonian Libraries
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  1. A taxonomic revision of the genus Macrolobium (Leguminosae--Caesalpinioideae)
    By: Cowan, Richard S. 1921-
    Type: Article
    In: Memoirs of the New York Botanical Garden.
    Volume: v.8 1952-1954
    Issue: 4
    Date: 1953
    Page Range: 257-342
    Publication info: New York :The Garden,1900-
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  2. The botany of the Guayana Highland -- Part I
    By: Maguire, Bassett - Cowan, Richard S. 1921- - Wurdack, J. J.
    Type: Article
    In: Memoirs of the New York Botanical Garden.
    Volume: 8
    Issue: 2
    Date: 1953
    Page Range: 87-160
    Publication info: New York :The Garden,1900-
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  3. The National Collections As Biological Standards
    By: Cowan, Richard S. 1921-
    Type: Article
    In: Proceedings of The Biological Society of Washington
    Volume: 82
    Date: 1969
    Page Range: 611--617
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  4. Studies Of Tropical American Leguminosae Part 7
    By: Cowan, Richard S. 1921-
    Type: Article
    In: Proceedings of The Biological Society of Washington
    Volume: 86
    Date: 1973
    Page Range: 447--460
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