United States Congress, "Report of hearings on H.R. 16925 to Regulate the Storage of Food Products in the District of Columbia", January 24, 1910, p. 300
Municipal League of Los Angeles, Municipal Affairs2:1 (January 1907) "commercial+quart" p. 4
Annual report of the Board of State Viticultural Commissioners (California), 1894, p. 71
testimony of Carl L. Alsberg, "Amendments to the Pure Food and Drugs Act", Commonwealth of Virginia, 1919, p. 17: "The ordinary whisky bottle contains one-fifth of a gallon, or 253⁄5 ounces [...] They are either marked 25 ounces, or one-fifth of a gallon."
Olive R. Jones, Cylindrical English Wine and Beer Bottles 1735–1850, Studies in Archaeology and History, Environment Canada, 1986 full text, Appendix B, Tables 20–23