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  1. Classification of the chalcid flies, or the superfamily Chalcidoidea, with descriptions of new species in the Carnegie museum, collected in South America by Herbert H. Smith. By William Harris Ashmead ...
    By: Ashmead, William H. (William Harris),
    Publication info: Pittsburg :Carnegie institute,1904.
    Holding Institution: University Library, University of Illinois Urbana Champaign
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  2. A monograph of the North American Proctotrypidae
    By: Ashmead, William H. (William Harris),
    Publication info: Washington :G.P.O.,1893.
    Holding Institution: Canadiana.org (archive.org)
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