- Radio relay systems.1
- Radio.3
- Railroad yards.1
- Ramphaiphannī, Queen, consort of Prajadhipok, King of Siam, 1904-1984.1
- Rasche, Thea, 1899-1971.2
- Recreational aviation.1
- Religion--Japan.1
- Reporters and reporting.2
- Rescue work.1
- Resorts.1
- Rickenbacker, Eddie, 1890-1973.1
- Rolls-Royce engines.1
- Roosevelt Field (Airport : Garden City, N.Y.)9
- Roosevelt, Edith Kermit Carow, 1861-1948.1
- Roosevelt, Eleanor, 1884-1962.1
- Rosendahl, Charles E. (Charles Emery), 1892-1977.2
- Russia. Armia.1
- Sailors.1
- Saint Louis (Mo.)--Buildings, structures, etc.1
- Saint Louis (Mo.)--Description and travel.2