AutoriMargorie Buckingham3H. L. Heijkoop3Marc Tapernoux3Teodor Popescu2H. Rossier2Georges Andre2J. N. Darby2C. Roy1Ion Socoteanu1D. Alcock1J. G. Bellet1E. Hott1Emil Constantinescu1G. Andre1A. Gilbert1Hamilton Smith1Serban Constantinescu1Christian Briem1Pierre Oddon1Richard W. De Haan1Teodor M. Popescu1G. C. Willis1