Harvard University Library, Tillinghast, W. H., & Welsh, C. (1968). Catalogue of English and American chapbooks and broadside ballads in Harvard College Library. Singing Tree Press.
Citace podle Chicago (17th ed.)Harvard University Library, William H. Tillinghast, a Charles Welsh. Catalogue of English and American Chapbooks and Broadside Ballads in Harvard College Library. Detroit: Singing Tree Press, 1968.
Citace podle MLA (9th ed.)Harvard University Library, et al. Catalogue of English and American Chapbooks and Broadside Ballads in Harvard College Library. Singing Tree Press, 1968.
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