[en] [Battleground: Europe 00] • Battleground · Europe [00] Hindenburg Line · Cambrai - Flesquieres Pen & Sword Military
[en] [Gutenberg 55414] • Grand Teton · A Guide to Grand Teton National Park, Wyoming National Park Service
[en] [Gutenberg 62534] • Roberts' Chester Guide [1858] British Library, Historical Print Editions
[en] [Gutenberg 62994] • Craters of the Moon / A Guide to Craters of the Moon National Monument, Idaho Interior Dept., National Park Service, Division of Publications
[en] [Gutenberg 57135] • Guide to Historic Plymouth · Localities and Objects of Interest Forgotten Books