McDonald Ranch House (English Wikipedia)

"Trinity Site History: A copy of the brochure given to site visitors". White Sands Missile Range, United States Army. Archived from the original on August 31, 2014. Retrieved September 11, 2014.
"Trinity Site". White Sands Missile Range Public Affairs Office. Archived from the original on July 12, 2015. Retrieved March 8, 2015.

legacy.com

"Major General Niles Fulwyler Obituary". Idaho Statesman. January 19, 2014. Archived from the original on November 11, 2014. Retrieved November 11, 2014.

Almaraz, Laura (June 12, 2014). "Building 100 dedicated to Maj. Gen. Fulwyler". Missile Ranger. Archived from the original on November 11, 2014. Retrieved November 11, 2014.
"Trinity Site Open House now open twice a year". Missile Ranger. February 26, 2015. Archived from the original on April 14, 2015. Retrieved July 17, 2015.

"McDonald, David G". New Mexico Farm & Ranch Heritage Museum. Archived from the original on October 19, 2014. Retrieved September 11, 2014.

"New Mexico State and National Registers". New Mexico Historic Preservation Commission. Retrieved March 13, 2013.

"Trinity Site". National Historic Landmarks. National Park Service. Archived from the original on February 15, 2008. Retrieved January 28, 2008.

Schwartzberg, Neala. "Schmidt/McDonald Ranch – Trinity Site, National Historic Landmark at Alamagordo". Offbeat New Mexico. Archived from the original on October 21, 2015. Retrieved November 10, 2014.

"Trinity Site". National Historic Landmarks. National Park Service. Archived from the original on February 15, 2008. Retrieved January 28, 2008.
"Trinity Site History: A copy of the brochure given to site visitors". White Sands Missile Range, United States Army. Archived from the original on August 31, 2014. Retrieved September 11, 2014.
"McDonald, David G". New Mexico Farm & Ranch Heritage Museum. Archived from the original on October 19, 2014. Retrieved September 11, 2014.
"Major General Niles Fulwyler Obituary". Idaho Statesman. January 19, 2014. Archived from the original on November 11, 2014. Retrieved November 11, 2014.
Almaraz, Laura (June 12, 2014). "Building 100 dedicated to Maj. Gen. Fulwyler". Missile Ranger. Archived from the original on November 11, 2014. Retrieved November 11, 2014.
Schwartzberg, Neala. "Schmidt/McDonald Ranch – Trinity Site, National Historic Landmark at Alamagordo". Offbeat New Mexico. Archived from the original on October 21, 2015. Retrieved November 10, 2014.
"Trinity Site". White Sands Missile Range Public Affairs Office. Archived from the original on July 12, 2015. Retrieved March 8, 2015.
"Trinity Site Open House now open twice a year". Missile Ranger. February 26, 2015. Archived from the original on April 14, 2015. Retrieved July 17, 2015.