Moravek Endre: Index acronymorum selectorum. Pars 3. Instituta paedagogica (A MTAK kiadványai 38. Budapest, 1963)
- 286 Y.C.W. Young Christian Workers /е/ = JOCi YDCA Young Democratic Clubs of America /е/ YFC Young Farmers' Clubs, L /е/ YFCU Young Farmers* Clubs of Ulster, Belfast /е/ Y.H.A. 1. Youth Hostels Association, Welwyn Garden City /е/ 2. Youth Hostels Association of India /е/ Y.L.I. Young Ladies' Institute /е/ yliopp ylioppilas /suo/ YMBT Young Men's Board of Trade /е/ Y.M./C.A./ /World's Alliance of/ Young Men's christian Association, G /в/ Y.M.Cath.A. Young Men's Catholic Association /е/ YMCU Young Men's Christian Union /е/ YMFS Young Men's Friendly Society /е/ Y.M.H.A. /World Federation of/ Young Men's Hebrew Associations /and Jewish Community Centres/ /е/ YMI "Yenng Men's Institute /в/ Y.M.P.A. Young Master Printers' Alliance /е/ YOAN Youth of All Nations /е/ YP Young People /е/ YPO Young President's Organization, /US/ /в/ YPSCE Young People's Society of Christian Endeavour /в/ YRNF Young Republican National Federation, /us7 /е/ Y.W. Youth Welfare /е/ YW /СА/ /World*£7 Young Women's Christian Association, G /е/ YWCTU Young Woman's Christian Temperance Union/e/ YWF Young World Federalists, А /е/ Y.W. H.A. Young Women's Hebrew Association, /е/ Z.A.D.St. Zentralverband Auslanddeutscher Studierender, Leipzig /d/ Z.A.D.St. Zentralverband Auslanddeutacher Studierender .Leipzig ''d / ZAMP Zwiqzek Akademicki Mlodziezy Polskiej /ро/ ZDM Zbor Duhovne Mlade/i /Hrvatske/ /h/ ZDMZ Zbor Duhovne Mladefci Zagrebaéke /h/ Z.J.B, Zenáingsjeugdbond /по/ 1621/Sz.