http://es.wikipedia.org/wiki/Bob_Crosby

Crosby, George R.

Crosby

The encyclopedia of popular music, McMillan, 1998---(Crosby, Bob; d. 1993 La Jolla)

https://pipl.com/directory/name/Sharbutt/80---(Silver and gold: w Henry Prichard, m George R. Crosby a.k.a. Bob Crosby, & Del Sharbutt)

The jazz masters, 100 años de swing, 1997---(Crosby, George Robert "Bob"; n. 1913, Spokane, Washington; canto y líder)

www.americanhistoryonline.org---(Silver and gold, Sharbutt, Del, Composer,Crosby, Bob, Composer,Prichard Henry)