And yet more, from Biodiversity Heritage Library: 

 *http://www.biodiversitylibrary.org/page/14459360 
 *http://www.biodiversitylibrary.org/page/13657426 
 *http://www.biodiversitylibrary.org/page/14459360 
 *http://www.biodiversitylibrary.org/page/7631126 http://www.biodiversitylibrary.org/page/7623411 – Bull U. S. Nat Mus. 
 *http://www.biodiversitylibrary.org/page/4771461 
 *http://www.biodiversitylibrary.org/page/8324712 – Catal. Birds British Mus 
 *http://www.biodiversitylibrary.org/page/19816769 – Colors in North American Land Birds 
 *http://www.biodiversitylibrary.org/page/8890711 
 *http://www.biodiversitylibrary.org/page/17541974 
 *http://www.biodiversitylibrary.org/page/13179534 
 *http://www.biodiversitylibrary.org/page/28667105 
 *http://www.biodiversitylibrary.org/page/16794264 http://www.biodiversitylibrary.org/page/19480430 –Nests and Eggs of North American Birds 
 *http://www.biodiversitylibrary.org/page/7269624 
 *http://www.biodiversitylibrary.org/page/25799097 
 *http://www.biodiversitylibrary.org/page/13524820 
 *http://www.biodiversitylibrary.org/page/22174551 
 *http://www.biodiversitylibrary.org/page/22174740 
 *http://www.biodiversitylibrary.org/page/5083312 

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