* Robert Dennis Collection of Stereoscopic Views.
<ul><li>Views are numbered: 830-834, 836, 838, 840, 841, 846, 848, 849, 853-855, 858, 859, 861, 864, 865, 866, 868-871, 874-876, 882, 884, 889, 894, 895, 924, 934-937, 939-941, 943, 944, 947-949, 951, 961, 966, 976.</li>
<li>Winter views of Niagara: primarily views of icicles, ice columns, ice grottos and including views of the falls, Terrepin Tower, hotels and islands during the winter. Some views duplicated.</li></ul>
Scan by NYPL
<a rel="nofollow" class="external free" href="https://digitalcollections.nypl.org/items/510d47e1-9fdc-a3d9-e040-e00a18064a99">https://digitalcollections.nypl.org/items/510d47e1-9fdc-a3d9-e040-e00a18064a99</a>