Fișier:Elizabeth Peckham.jpgGeorge William Peckham (1845-1914) et Elizabeth Maria Gifford Peckham (1854-1940) https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons
Fișier:EM-et-GW-Peckham.jpgGeorge William Peckham (1845-1914) et Elizabeth Maria Gifford Peckham (1854-1940) https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons