Correspondence : Parry (Charles Christopher) and Engelmann (George), 1851-1884.
Engelmann, George; Parry, C. C.; Parry, Charles Christopher
<a rel="nofollow" class="external free" href="https://www.biodiversitylibrary.org/pageimage/38975765">https://www.biodiversitylibrary.org/pageimage/38975765</a>