- Mississippi. Lauderdale County. 1910 U.S. Federal Census, population schedule. Digital images. Ancestry.com. April 28, 2017. http://ancestry.com.
- “R.L. Polk & CO’s Meridian City Directory.” Meridian, MS. 1911-1912. Historical Paper Document.
- Calhoun, Ward. Duty, Honor, and Country: The Long Gray Line in the Pacific. Meridian, MS: Lauderdale Country Department of Archives and History, Inc., 2012.
- US Department of the Army, Final Statement of Hal C Granberry Pvt. 1st Class Air Service, Historical Paper Documents.
- Colorado. Arapahoe County. Divorce Index. Arapahoe County, Littleton.
- Colorado. Arapahoe County. Marriage certificates. Colorado Department of Personnel and Administration, Denver.
- “Hal C. Granberry, 1923.” West Point Association of Graduates. Accessed April 28, 2017. http://apps.westpointaog.org/Memorials/Article/7202/ .
- “Army Orders,” The Honolulu Advertiser, December 14, 1940.
- Houlahan, Michael. “The Philippine Scouts in Bataan: Their Finest Hour,” Philippine Defenders, http://philippine-defenders.lib.wv.us/html/philippine_scouts_bataan_article.html.
- “Hal C. Granberry – Prisoner of War Record.” MooseRoots. Accessed April 28, 2017. http://wwii-pows.mooseroots.com/l/138510/Hal-C-Granberry .