Historical dossiers
Research dossier
Editorial evidence is separate from accepted ancestry. Original records and prior revisions are retained.
Joseph L. Colby’s 1936 book illustrates Colby's Gully and reports a birth date of 1932-04-08. It names John P. Colby as breeder and Joseph L. Colby as historical owner. These statements describe the historical publication, not current ownership.
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Reported birth
Source-reported1932-04-08
Source · colby1936-caption-four-40 -
Reported parents
Source-reportedThe 1936 caption names Colby’s Billy as sire and Colby’s Belle as dam.
Source · colby1936-caption-four-40
Bibliography
Bibliography
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Colby's Gully — original caption, The American Pit Bull Terrier (1936)
Joseph L. Colby · The News Publishing Co., Sacramento · Secondary history · · Accessed
Original caption visually inspected; full page SHA256 6272764a78ea085a8eb3d38d8ca676f12125d50092b3bc04c2126b64cf3be2e8. Single historical source, not independent certification. Birth precision retained; publication date is not exposure date. Parent names are reports, not accepted genetic edges. Breeder/owner are historical; no inferred sex, birthplace, awards or current ownership. Separate namesakes retained.