div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: dvocorg · cassinia proceedings of the delaware valley ornithological club no xxvlll philadelphia pa 1929-30 spencer trotter: 1860—1931 by witmer stone src=https:reader035vdocumentinreader035viewer20220710195fd31107b5001b4e7b00f4aahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: dvocorg · cassinia proceedings of the delaware valley ornithological club no xxvlll philadelphia pa 1929-30 spencer trotter: 1860—1931 by witmer stone src=https:reader035vdocumentinreader035viewer20220710195fd31107b5001b4e7b00f4aahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: dvocorg · cassinia proceedings of the delaware valley ornithological club no xxvlll philadelphia pa 1929-30 spencer trotter: 1860—1931 by witmer stone src=https:reader035vdocumentinreader035viewer20220710195fd31107b5001b4e7b00f4aahtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: dvocorg · cassinia proceedings of the delaware valley ornithological club no xxvlll philadelphia pa 1929-30 spencer trotter: 1860—1931 by witmer stone src=https:reader035vdocumentinreader035viewer20220710195fd31107b5001b4e7b00f4aahtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: dvocorg · cassinia proceedings of the delaware valley ornithological club no xxvlll philadelphia pa 1929-30 spencer trotter: 1860—1931 by witmer stone src=https:reader035vdocumentinreader035viewer20220710195fd31107b5001b4e7b00f4aahtml5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb alt=Page 6: dvocorg · cassinia proceedings of the delaware valley ornithological club no xxvlll philadelphia pa 1929-30 spencer trotter: 1860—1931 by witmer stone src=https:reader035vdocumentinreader035viewer20220710195fd31107b5001b4e7b00f4aahtml5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 7button div class=ts-image amp-img class=ts-thumb alt=Page 7: dvocorg · cassinia proceedings of the delaware valley ornithological club no xxvlll philadelphia pa 1929-30 spencer trotter: 1860—1931 by witmer stone src=https:reader035vdocumentinreader035viewer20220710195fd31107b5001b4e7b00f4aahtml5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 8button div class=ts-image amp-img class=ts-thumb alt=Page 8: dvocorg · cassinia proceedings of the delaware valley ornithological club no xxvlll philadelphia pa 1929-30 spencer trotter: 1860—1931 by witmer stone src=https:reader035vdocumentinreader035viewer20220710195fd31107b5001b4e7b00f4aahtml5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 9button div class=ts-image amp-img class=ts-thumb alt=Page 9: dvocorg · cassinia proceedings of the delaware valley ornithological club no xxvlll philadelphia pa 1929-30 spencer trotter: 1860—1931 by witmer stone src=https:reader035vdocumentinreader035viewer20220710195fd31107b5001b4e7b00f4aahtml5thumbnails9jpg width=142 height=106 layout=responsive amp-img divdiv