"Filipinos in Barcelona," in {m}aganda: Reclamation, Berkeley, 2018. 

"A Time to Rise: Filipino Memoirs of Revolution," in Positively Filipino (January 2018).

"Filipino Americans: From 'Indians' to 'Asians' in America," in Introduction to Ethnic Studies, edited by Dale Allender and Gregory Yee Mark (Dubuque, IA: 2016).

“Research Experience in the Philippines: Challenges in Conducting Oral History Research in a Developing Nation,” in EDULEARN13, Proceedings (Barcelona, Spain: 2013), pp. 2287-2291. 

"Meditations on Rizal: California to Spain," in Remembering Rizal: Voices from the Diaspora (edited by Edwin A. Lozada), San Francisco: Philippine American Writers & Artists, Inc. 2011. 

"An Ethnic Studies Model of Community Mobilization: Collaborative Partnership with a High Risk Public High School" (with Gregory Kim-ju, Julia Figueroa, Gregory Yee Mark, James Fabionar), American Journal of Preventive Medicine (Special issue: Community Mobilization for the Prevention of Youth Violence) (March 2008, Vol. 34).

Giron Escrima: Memories of a Bladed Warrior (edited with Antonio E. Somera) (Los Angeles: Empire Books, 2006). This book narrates the experience of Sgt. Leovigildo (Leo) Miguel Giron (US Army), a decorated World War II commando who was dropped behind enemy lines via submarine and sent on a secret reconnaisance mission one year prior to the arrival of Gen. McArthur and a large-scale US landing force. Sgt. Giron's experience was featured in the PBS documentary, "An Untold Triumph: The Story of the 1st & 2nd Filipino Infantry Regiments, U.S. Army" (May 2005 national broadcast). The book also contains numerous photographs shot by Dr.Sobredo.

"Asian Global Migration and Transnationalism Revisited, 16th - 21st Century" (with Timothy Fong) in The Borders in All of Us: New Approaches to Three Global Diaspora Communities (edited by William Little), Trenton, NJ: Africa World Press, 2005.

"Ethnic Studies Community Collaboration & Activism: Bridging Theory and Practice" (with Linda Revilla & Gregory Yee Mark) in Introduction to Ethnic Studies, Brian Baker, et al (eds.), Dubuque, Iowa: Kendall/Hunt Publishing Company, 2004.

"Filipino American Vision and Telling the 'Untold Triumph'" in History, Heroes, and Untold Triumph: Filipino Americans and World War II, Linda Revilla, ed. (Honolulu, HI, a Viewer's Guide (2003) to the film "Untold Triumph," shown at the 2003 Honolulu International Film Festival). This project is funded by the Hawaii Council for the Humanities, a state-branch of the National Endowment for the Humanities.

Studies in Pacific History: Economics, Politics and Migration (with Dennis O. Flynn & Arturo Giraldez, eds.), Brookfield, VT: Ashgate Publishing Company, 2002.

"Stopping the 'Third Asiatic Invasion': the 1934 Tydings-McDuffie Act and Filipino Exclusion," in Studies in Pacific History, 2002.

"Filipino American Lives: A Multi-Colored Fabric" (Book's Introduction) and "Two Brothers" (article) in Seven Card Stud with Seven Manangs Wild: An Anthology of Filipino-American Writings (Helen Toribio, ed.), Berkeley: Ti'Boli, 2002--a project of the Filipino American National Historical Society, East Bay Chapter, with funding from the Berkeley Arts Commission.

European Entry into the Pacific: Spain and the Acapulco-Manila Galleons (with Dennis Flynn and Arturo Giraldez, eds.), Brookfield, VT: Ashgate Publishing Company, 2001.

"The Politics of Fiction." Filipinas, October 1998.

"Filipinos in San Francisco." In Built on Shifting Sands: Histories on San Francisco, San Francisco: City Lights Books, 1998. 

"Filipinos in San Francisco" (5 CD-ROM segments on Filipino Americans in the San Francisco Bay Area [text and photographs]). In Shaping San Francisco: An Interactive Multimedia Excavation of the Lost History of San Francisco, Chris Carlsson, Project Director. San Francisco, 1998. Funded by the California Council for the Humanities.