Lammert, W. Archivmaterialien zu Will Lammert, 1892-1957.
Tohutoru Kātū Chicago (17th ed.)Lammert, Will. Archivmaterialien Zu Will Lammert, 1892-1957.
Tohutoro MLA (9th ed.)Lammert, Will. Archivmaterialien Zu Will Lammert, 1892-1957.
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