Links and Books about Typography

My bookshelf contains numerous books related to typography and text setting. Some of them are standard works, which anyone interested in typography should have read. These are the most important ones:

Jan Tschichold, Erfreuliche Drucksachen durch gute Typographie - eine Fibel für jedermann, Maro Verlag, Augsburg, 1988,
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ISBN 3-87512-403-0
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Erik Spiekermann, Ursache & Wirkung - ein typographischer Roman, Verlag Hermann Schmidt, Mainz,
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ISBN 3-9800722-0-7
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Hans Peter Willberg, Friedrich Forssman, Lesetypographie, Verlag Hermann Schmidt, Mainz,
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ISBN 3-87439-375-5
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Those interested in typography will certainly like literature and fonts offered by FontShop, Berlin.