First through the Grand Canyon - Paperback

The Promise of the Grand Canyon: John Wesley Powell's Perilous Journey and His Vision for the American West - Paperback

The Exploration of the Colorado River and Its Canyons - Hardcover

A River Running West: The Life of John Wesley Powell - Paperback

The Exploration of the Colorado River and Its Canyons - Paperback

The People: The Missing Piece of John Wesley Powell's Expeditions - Hardcover

Take the Sea - Paperback

Beyond the Hundredth Meridian: John Wesley Powell and the Second Opening of the West - Paperback

The Exploration of the Colorado River and Its Canyons - Paperback

The Powell Expeditions - Paperback

The Powell Expeditions - Hardcover

A Canyon Voyage: The Narrative of the Second Powell Expedition Down the Green-Colorado River From Wyoming, and the Explorations On Land - Hardcover

Exploration of the Colorado River of the West and Its Tributaries: Explored in 1869, 1870, 1871, and 1872, Under the Direction of the Secretary of the - Paperback

The Last Canyon - Paperback

Indian Linguistic Families of America North of Mexico [microform] - Hardcover

The Works Of The John Wesley V12 (1830) - Paperback

The Works of John Wesley Volume 24: Journal and Diaries VII (1787-1791) - Hardcover

The Cambridge Companion to John Wesley - Paperback

Wesley Hohfeld A Century Later - Paperback

The Journal of John Wesley - Paperback

The Journal Of The Reverend John Wesley V1 - Paperback

The Early Journal of Charles Wesley - Hardcover

Explanatory Notes Upon The New Testament: By John Wesley, - Hardcover