Letters To His Holiness, Pope Pius X William L. Sullivan Kessinger Pub 2007 pokkari Vertaile hintoja Vertaile hintoja
Atlas of Oregon Wilderness William L. Sullivan Navillus Press 2009 nidottu Vertaile hintoja Vertaile hintoja
Oregon Favorites: Trails and Tales William L. Sullivan Navillus Press 2011 nidottu Vertaile hintoja Vertaile hintoja
100 Hikes: Northwest Oregon William L. Sullivan Navillus Press 2022 nidottu Vertaile hintoja Vertaile hintoja
50 Hikes: Central Oregon William L. Sullivan Navillus Press 2025 nidottu Vertaile hintoja Vertaile hintoja
50 Hikes: Mount Hood and the Columbia Gorge William L. Sullivan Navillus Press 2025 nidottu Vertaile hintoja Vertaile hintoja
50 Hikes: Rogue Valley William L. Sullivan Navillus Press 2025 nidottu Vertaile hintoja Vertaile hintoja
