Poland China (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Poland China" in English language version.

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Joseph Ray Davis, Harvey Samuel Duncan (1921). History of the Poland China Breed of Swine, volume 1. [s.l.]: Poland China History Association.

Valerie Porter, Lawrence Alderson, Stephen J.G. Hall, D. Phillip Sponenberg (2016). Mason's World Encyclopedia of Livestock Breeds and Breeding (sixth edition). Wallingford: CABI. ISBN 9781780647944.

Breed data sheet: Poland China / United States of America (Pig). Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed May 2021.

Lucy Curry (1978). The Felix Fryman Farm House. Columbus, Ohio: Ohio Historic Preservation Office. Accessed May 2021.

Barbara Rischkowsky, Dafydd Pilling (editors) (2007). List of breeds documented in the Global Databank for Animal Genetic Resources, annex to The State of the World's Animal Genetic Resources for Food and Agriculture. Rome: Commission on Genetic Resources for Food and Agriculture, Food and Agriculture Organization of the United Nations. ISBN 9789251057629. Archived 23 June 2020.
Search result: All fields: Hankinson. MidPointe Library System. Archived 4 March 2016.