Bibliographia Oziana: A Concise Bibliographical Checklist of the Oz Books by L. Frank Baum and His Successors, by Douglas G. Greene and Peter E. Hanff, is a key resource on the scholarship on L. Frank Baum and the Oz book series. The first edition was published in 1976, with a revised and expanded edition appearing in 1988, both from The International Wizard of Oz Club. A third edition followed in 2002. (The subtitle of the work varies from edition to edition, though the title is consistent.)

The Bibiliographia Oziana was acknowledged as "founded on and continuing the Baum Bugle Checklist by Dick Martin, James E. Haff, and David L. Greene."

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