Krombholz, M. G. (2002). German Porcelain Dolls 1836-2002. Hobby House Press.
Lua i Stíl Chicago (17ú heag.)Krombholz, Mary Gorham. German Porcelain Dolls 1836-2002. Grantsville, Maryland, USA: Hobby House Press, 2002.
Lua MLA (8ú heag.)Krombholz, Mary Gorham. German Porcelain Dolls 1836-2002. Hobby House Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.