Phone numbers written down by Oswald while at the fifth floor jail of DP Headquarters.OR 9-9450, The Daily Worker, 23 West 26th St., NY, NYRI 8-9711, Dallas JailAC 2-4611, John Abt, residence, 444 Central Park West, NY, NYCO 7-3110, John Abt, attorney, business number at the offices of David Freedman and Abraham Unger, 320 Broadway, NY, NYIt's suggested that "CH-7" may refer to the phone no. of TSBD employee Lloyd R. Viles or maybe someone in the White Russian community.