
Cayne, B. S. (1973). The Encyclopedia Americana: International edition; complete in 30 volumes, first published in 1829 Bd. 29 Wilmot Proviso to Zygote. The Encyclopedia Americana : the international reference work ; complete in thirty volumes, first published in 1829, 29.1973.
Chicago ZitierstilCayne, Bernard S. "The Encyclopedia Americana: International Edition; Complete in 30 Volumes, First Published in 1829 Bd. 29 Wilmot Proviso to Zygote." The Encyclopedia Americana : The International Reference Work ; Complete in Thirty Volumes, First Published in 1829 1973: 29.1973.
MLA ZitierstilCayne, Bernard S. "The Encyclopedia Americana: International Edition; Complete in 30 Volumes, First Published in 1829 Bd. 29 Wilmot Proviso to Zygote." The Encyclopedia Americana : The International Reference Work ; Complete in Thirty Volumes, First Published in 1829, 1973, p. 29.1973.