Books by Helmut Ripperger:
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Ripperger, Helmut, 1897-1974: Feast Day Cookbook (New York: David McKay Co., c1951), also by Katherine Burton (HTML at EWTN)
Additional books by Helmut Ripperger in the extended shelves:
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Ripperger, Helmut, 1897-1974: The junior music quiz. (G. Schirmer, Inc., 1940), also by Gladys Burch (page images at HathiTrust)- Ripperger, Helmut, 1897-1974: The music quiz (Stockpole sons, 1938), also by Gladys Burch (page images at HathiTrust)
Find more by Helmut Ripperger at your library, or elsewhere.