Albert Einstein | Royal Albert Hall | Victoria and Albert Museum | Albert Camus | Prince Albert | Albert Park | Nicholas II of Russia | Albert Speer | Saint Nicholas | Albert Schweitzer | Albert, Prince Consort | Nicholas I of Russia | Albert Campion | Albert | Nicholas II | Nicholas I | Albert Park, Victoria | Albert II, Prince of Monaco | Nicholas Nickleby | Albert Bierstadt | Albert Finney | Nicholas Ray | Johann Albert Fabricius | Albert R. Broccoli | Albert Lee | Nicholas Roerich | Nicholas Briggs | Eddie Albert | Albert Einstein College of Medicine | Albert Bandura |
O'Brien had recorded with Freeman as early as 1928; other recordings include with Eddie Condon (1933 and later), Fats Waller, Mezz Mezzrow, George Wettling (1940), Charles LaVere (1944), Albert Nicholas (1959), and Smokey Stover.
In addition to Mutt Carey and Ed Garland, trumpeters Alvin Alcorn and Teddy Buckner; clarinetists Darnell Howard, Jimmie Noone, Albert Nicholas, Barney Bigard, and George Probert; pianists Buster Wilson, Cedric Haywood, and Don Ewell; and drummer Minor Hall were among his sidemen during this period.