Books by Heinrich Maass:
Books in the extended shelves:
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Maass, Heinrich: Ben Jonson's Lustspiel "Every man in his humor" und die gleichnamige bearbeitung durch David Garrick ... (C. Boldt'sche hof-buchdruckerei, 1903) (page images at HathiTrust)- Maass, Heinrich: Ben Jonson's lustspiel "Every man in his humour" und die gleichnamige bearbeitung (C. Boldt'sche hof-buchdr, 1903) (page images at HathiTrust)
Find more by Heinrich Maass at your library, or elsewhere.