"BOOK NEWS." Philadelphia Tribune (1912-2001): 4. Sep 03 1949. ProQuest.
"Green Book Points Way to Travellers." New York Amsterdam News (1943-1961), City edition ed.: 46. Jun 19 1954. ProQuest
Display Ad 5 -- No Title." Afro-American (1893-1988): 5. Jul 27 1946. ProQuest.
"Motorist Guide Book Returns After 4 Years." Philadelphia Tribune (1912-2001): 16 Apr 13 1946. ProQuest
The above articles/databases can be accessed at NYPL or by logging into your account.