Frank Soldano naturalization petition. Colorado, U.S., State and Federal Naturalization Records, 1868-1990
Naturalization Records 1877-1952 (M1192), District Court (Rolls 67-76) Pueblo, Petitions and Records 1912-1949
(Roll 67) Vols 1-3; December 2, 1912-November 16, 1916; 1-250.