By Frederickson, H.L., Wilkins-Haug, Louise
By Ellison, H.L.
By Mallalieu, H.L.
By Gray, H.L.
By Fletcher, H.L., Hickey, G.I., Winter, P.C.
By Vickers, K. M., etc., Tipler, M. J., Van Hiele, H.L., K. M. Vickers, M. J. Tipler, H.L. Van Hiele
By Mencken, H.L., Cooke, Alistair
By Bretton, H.L.
By Cracknell, H.L., Kaufmann, R. J., Nobis, G.
By Dennis, H.L.
By CAPRON, H.L.
By Vickers, K. M., etc., Tipler, M. J., Van Hiele, H.L.
By Heys, H.L.
By K. M. Vickers, etc., M. J. Tipler, H.L. Van Hiele, Vickers, K. M., Tipler, M. J., Van Hiele, H.L.
By Vickers, K. M., Tipler, M. J., Van Hiele, H.L.
By Willander, Magnus, Hartnagel, H.L.
By Hutchins, W.J., Somers, H.L.
By Brooke, Michael Z., Remmers, H.L.
By Willard, Helen S., Spackman, Clare S., Hopkins, H.L., Smith, H.D.
By Kahle, Werner, etc., Leonhardt, Helmut, Platzer, Werner, Schnellbaecher, Lothar, Spitzer, G., Dayan, H.L., Dayan, A. D.