books.google.comhttp://books.google.com/books/about/Catalogue_with_full_description_of_Agric.html?id=H2g7AAAAcAAJ&utm_source=gb-gplus-shareCatalogue with full description of Agricultural and Horticultural Implements and Machinery sold by Tredwell & Pell, at their Warehouse, No. 251 Pearl Street, New York
