Periodical Bibliographies and Abstracts for the Scientific and Technological Journals of the World

This is an OCR edition without illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from the publisher's website (GeneralBooksClub.com). You can also preview excerpts of the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Original Published by: Washington, D.C., Published by the National research council of the National academy of sciences in 1920 in 33 pages; Subjects: Science; Technology; Medicine; Bibliography; Periodicals; Medical / General; Medical / History; Reference / Bibliographies