Rickards, M. (1988). Collecting Printed Ephemera. Phaidon - Christies.
Chicago-Zitierstil (17. Ausg.)Rickards, Maurice. Collecting Printed Ephemera. Oxford: Phaidon - Christies, 1988.
MLA-Zitierstil (8. Ausg.)Rickards, Maurice. Collecting Printed Ephemera. Phaidon - Christies, 1988.
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