Medellín, R. A. 2010. Foreword. Pp. ix-xi in The Gulf of California, Biodiversity and conservation (R. C. Brusca, Editor). University of Arizona.
Medellin, R.A. 2009. Sustaining transboundary ecosystem services provided by bats. In: López-Hoffman, L., McGovern, E., Varady, R., Flessa, K. (Eds.), Conservation of Shared Environments: Learning from the United States and Mexico. University of Arizona Press, Tucson, pp. 170–187
Rodríguez-Herrera, B., R. A. Medellín, and R.M. Timm. 2007. Neotropical Tent-roosting Bats / Murciélagos neotropicales que acampan en hojas. Editorial INBio. Santo Domingo de Heredia, Costa Rica, 184 p.
National Research Council of the National Academies. 2007. Status of Pollinators in North America. National Academies Press, Washington, D.C. (Medellin es autor y miembro del Committee on Status of Pollinators, junto con otras 14 personas, impreso por la National Academy of Sciences de los Estados Unidos).
Medellín, R. A. 2007. Prólogo. Pp. IX-X en Historia natural, distribución y Conservación de los Murciélagos de Bolivia (L. F. Aguirre, Editor). Fundación Simón Patiño, La Paz, Bolivia.
Eardley, C., D. Roth, J. Clarke, S. Buchmann, and B. Gemmill, editors (R. Medellin es uno de los autores de este libro). 2006. Pollinators and pollination: a resource book for policy and practice. African Pollinator Initiative and U.S. Department of State, Washington, D. C.
Melnick, D. J., J. A. McNeely, Y. Kakabadse, G. Schmidt-Traub, and R. R. Sears, lead authors (R. Medellín es uno de los autores miembros de la Task Force). 2005. Environment and human well-being: a practical strategy. Achieving the Millennium Development Goals. United Nations Millennium Project, Task Force on Environmental Sustainability Final Report. United Nations Development Programme, EARTHSCAN, London.
Medellín, R. A., C. Manterola, M. Valdez, D. G. Hewitt, D. Doan-Crider, and T. E. Fulbright. 2005. History, ecology, and conservation of the pronghorn antelope, bighorn sheep, and black bear in Mexico. In: J.-L. Cartron, G. Ceballos, and R. S. Felger (eds.) Biodiversity, Ecosystems, and Conservation in Northern Mexico. Oxford University. Press.
Medellín, R.A. 2005. Autor de diversos capítulos sobre diferentes especies de mamíferos en el libro: ANIMAL, the definitive visual guide to the World’s wildlife (Editors in Chief: D. Burnie y D. E. Wilson). Dorling --Kindersley, London.
Medellín, R. A., J. Guillermo Téllez, and J. Arroyo. 2004. Conservation through research and education: an example of collaborative integral actions for migratory bats. Pp. 43-58 In G. Nabhan, R. C. Brusca, and L. Holter (eds.), Conservation of Migratory Pollinators and Their Nectar Corridors in North America. Arizona-Sonora Desert Museum, Natural History of the Sonoran Desert Region, No. 2. University of Arizona Press, Tucson, Arizona.
Medellín, R. A. 2003. Didelphimorphia: New World opossums. Pp. 249-265 In: Mammals I. Vol 12 of Grzimek’s Animal Life Encyclopedia, edited by Devra G. Kleiman, Valerius Geist, Michael Hutchins, and Melissa C. McDade. Gale Group, Farmington Hills, Mich.