S (up to table of contents)
Schweizer, Paul A. (a.k.a. Paul Schweizer, P.A. Schweizer)16th national The sixteenth national [Competitions], September-October, page 2Sekella, Y.Mrs. Thomas Rhodes [Obituaries], January-February, page 13Shenstone, D.A.(The Canadian scene) [Canada], January-February, page 13(The Canadian scene) [Canada], March-April, page 9(The Canadian scene) [Canada], May-June, page 6(The Canadian scene) [Canada], July-August, page 10(The Canadian scene) [Canada], September-October, page 13(The Canadian scene) [Canada], November-December, page 9Shupack, B.16th National - Statistics National flight data [Competitions], September-October, page 4Spurgeon, J.Pacific coast championships [Competitions], July-August, page 4
None (up to table of contents)
From behind the iron curtain [Czechoslovakia], January-February, page 4Soaring festival and regatta, from The Thermal [Affiliates, Chapters, and Clubs; Competitions], January-February, page 6SSA directors' meeting [Soaring Society of America], March-April, page 12Wright memorial glider meet [Competitions], September-October, page 11International meeting [FAI], September-October, page 14Directors elected to 1952 [Soaring Society of America], September-October, page 16
The Czech Lunak [Lunak L-107], November-December, page 8SSA Directors' meeting [Soaring Society of America], November-December, page 14