Grundzüge der Perspektive nebst Anwendungen, by Karl Doehlemann 55791 [Language: German] [Link: http://www.gutenberg.org/5/5/7/9/55791 ] [Files: 55791-0.txt; 55791-h.htm] Thanks to The Online Distributed Proofreading Team at http://www.pgdp.net David