| The geology of Yemen: An annotated bibliography of Yemen's geology, geography and earth science RL Hadden | 28 | 2012 |
| The geology of Somalia: A selected bibliography of Somalian geology, geography and earth science RL Hadden | 26 | 2007 |
| The geology of Burma (Myanmar): An annotated bibliography of Burma's geology, geography and earth science RL Hadden | 22 | 2008 |
| The geology of Haiti: An annotated bibliography of Haiti's geology, geography and earth science RL Hadden, SG Minson Army Geospatial Center, US Army Corps of Engineers, 2010 | 19 | 2010 |
| The Heringen Collection of the US Geological Survey Library, Reston, Virginia R Hadden Earth Sciences History 27 (2), 242-265, 2008 | 13 | 2008 |
| The Geology of Yemen: An Annotated Bibliography of Yemen’s Geology R Hadden Geography and Earth Science, 385, 2012 | 8 | 2012 |
| The Geology of Burma (Myanmar): An annotated bibliography of Burma’s geology, geography and earth science. Topographic Engineering Center RL Hadden US Army Corps of Engineers, Alexandria, Virginia, 2008 | 7 | 2008 |
| The Geology of Liberia: a Selected Bibliography of Liberian Geology, Geography and Earth Science RL Hadden Topographic Engineering Center, US Army Corps of Engineers, 2006 | 7 | 2006 |
| Adits, caves, karizi-qanats, and tunnels in Afghanistan: an annotated bibliography RL Hadden Topographic Engineering Center, 2005 | 7 | 2005 |
| The Geology of Somalia: a selected bibliography of Somalian Geology, geography and earth science. Alexandria, Va: Topographic Engineering Center RL Hadden US Army Corps of Engineers, 2007 | 5 | 2007 |
| The Geology of Liberia: a Selected Bibliography of Liberian Geology BRL Hadden Geography and Earth Science, 5-6, 2006 | 5 | 2006 |
| Nitrate concentrations of soils in “saltpeter caves” in West Virginia (USA) CS Swezey, RL Hadden, NM Piatak NSS News 62 (12), 342-345, 2004 | 5 | 2004 |
| A guide to the geology of the Sinnett-Thorn Mountain cave system, Pendleton County, West Virginia CS SWEZEY, NM PIATAK, LA CHIEHOWSKY, R HADDEN, PC HACKLEY, ... The Potomac Caver 47 (1), 3-14, 2004 | 5 | 2004 |
| Saltpeter miningin Sinnett Cave (Pendleton County, West Virginia) during the American Civil War RL Hadden, CS Swezey, NM Piatak, PA Bingham Geological Society of America, Abstracts with Programs 36 (2), 47, 2004 | 1 | 2004 |
| The Geology of Guadalcanal: A Selected Bibliography of the Geology, Natural History, and the History of Guadalcanal RL Hadden | | 2007 |
| THE HERINGEN COLLECTION OF THE US GEOLOGICAL SURVEY LIBRARY RL HADDEN 2003 Seattle Annual Meeting, 2003 | | 2003 |
| Building Administration MLO Hush Jr, PMJ Bello, MRJ Klemt, PMA Abreu | | |
| UNCLASSIFIED/UNLIMITED RL Hadden | | |
| Building Administration MRJ Klemt, PCJ Jones, MFA Corrado, PMLO Hush Jr | | |
