Handbibliothek des allgemeinen und praktischen Wissens
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Handbibliothek des allgemeinen und praktischen Wissens (German for "Handbook of common and practical knowledge") is a series of two textbooks for self-education. Edited by Emanuel Müller-Baden, it was first published in Germany in 1920 by Deutsches Verlagshaus Bong & Co.
