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  1. Handbuch der Entwickelungsgeschichte des Menschen : mit vergleichender Rücksicht der Entwickelung der Säugethiere und Vögel : nach fremden und eigenen Beobachtungen /
    By: Valentin, G.
    Publication info: Berlin :August Rücker,1835.
    Contributed by: Francis A. Countway Library of Medicine (archive.org)
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  2. History of the development of the human ovum, with a comparative view of the development of the ova of mammalia and birds
    By: Valentin, G. - Barry, M. - University of Glasgow.
    Publication info: [Edinburgh] :[J. Stark, printer],[1834?]
    Contributed by: University of Glasgow Library (archive.org)
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  3. History of the development of the human ovum, with a comparative view of the development of the ova of mammalia and birds /
    By: Barry, M. - Valentin, G. - Royal College of Physicians of Edinburgh.
    Publication info: Edinburgh] :[printed by J. Stark,[1836?]
    Contributed by: Unknown
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  4. Monographies d'échinodermes, vivans et fossiles / par Louis Agassiz.
    By: Agassiz, Louis, - Desor, E. - Valentin, G.
    Publication info: Neuchâtel :L'auteur,1838-1842.
    Contributed by: MBLWHOI Library
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