[Committee hearings] serial, 81st Congress. 23. Making abandonment of dependents Federal crime, hearings before subcommittee no. 2, 81st Congress. 1st and 2nd sessions, on H. R. 2143, H.R. 3802, H.R. 4580 H. R. 7312 H.R. 8051 H.R. 5974, Mar. 2, 1948-May 12, 1950.