| Sources |
- [S246] Huta Komorowska Births, 1837-1890 (Majdan Królewski), year 1884, act 9; Franciszek Trela birth and baptism.
- [S16] New York, U.S., Passenger and Crew Lists (including Castle Garden and Ellis Island), 1820-1957, Year: 1908; Arrival: New York, New York; Microfilm Serial: T715, 1897-1957; Microfilm Roll: Roll 1079; Line: 1; Page Number: 242.
- [S9322] 1920 United States Federal Census, Year: 1920; Census Place: Rockvale, Fremont, Colorado; Roll: T625_164; Page: 12A; Enumeration District: 70.
- [S7090] Colorado, U.S., County Marriage Records and State Index, 1862-2006.
- [S9318] 1930 United States Federal Census, Year: 1930; Census Place: Lincoln Park, Fremont, Colorado; Page: 5B; Enumeration District: 0023; FHL microfilm: 2339976.
- [S9282] 1940 United States Federal Census, Year: 1940; Census Place: Lincoln Park, Fremont, Colorado; Roll: m-t0627-00463; Page: 7A; Enumeration District: 22-25.
- [S9072] U.S., Find a Grave® Index, 1600s-Current.
- [S9317] U.S., World War II Draft Registration Cards, 1942, The National Archives at St. Louis; St. Louis, Missouri; World War II Draft Cards (Fourth Registration) for the State of Colorado; Record Group Title: Records of the Selective Service System; Record Group Number: 147; Box or Roll Number: 139.
The National Archives at St. Louis; St. Louis, Missouri; World War II Draft Cards (Fourth Registration) for the State of Colorado; Record Group Title: Records of the Selective Service System; Record Group Number: 147; Box or Roll Number: 139
- [S99] Colorado, U.S., Steelworks Employment Records, 1887-1979, Steelworks Center of the West; Pueblo, CO.
- [S9116] U.S., World War I Draft Registration Cards, 1917-1918, Registration State: Colorado; Registration County: Fremont; Roll: 1561813.
- [S9100] U.S., Social Security Death Index, 1935-2014, Social Security Administration; Washington D.C., USA; Social Security Death Index, Master File.
- [S247] Huta Komorowska Marriages, 1856-1915 (Majdan Królewski), year 1882, act 4; Jan Trela and Marianna Kopeć marriage.
- [S195] Newspapers.com Obituary Index, 1800s-current, Colorado Springs Gazette-Telegraph; Publication Date: 27/ Aug/ 1975; Publication Place: Colorado Springs, Colorado, United States of America; URL: https://www.newspapers.com/image/64184611/?article=5e6849b7-7d90-401d-88bf-3ede406f4b97&focus=0.7474546,0.32.
Colorado Springs Gazette-Telegraph; Publication Date: 27/ Aug/ 1975; Publication Place: Colorado Springs, Colorado, United States of America; URL: https://www.newspapers.com/image/64184611/?article=5e6849b7-7d90-401d-88bf-3ede406f4b97&focus=0.7474546,0.32
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