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  1. Beiträge zur Kentniss der nordamericanischen Nachtfalter besonders der Microlepidopteren / von P.C. Zeller.
    By: Zeller, P. C.
    Publication info: [Wien :A. Holzhausen,1872-1875].
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Institution Libraries
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  2. Microlepédoptera / P.C. Zeller.
    By: Zeller, P. C.
    Publication info: [S.l. :s.n.,184-].
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Institution Libraries
    View Book