Operating systemsRudolf Bayer, M. J. Flynn, Robert M. Graham, M.J. Flynn, J.N. Gray, A.K. Jones, K. Lagally, H. Opderbeck, G.J. Popek, B. Randell, J.H. Saltzer, H.R. Wiehle · First published 1979Open the Tome
Perl coffa y ddwy chwaer Mrs. E. K. Jones [a] Mrs. M. V. JervisE. K. Jones · First published 1947Open the Tome
Æsop's fablesAesop, V. S. Vernon Jones, Gilbert Keith Chesterton, Will Stauff, V. S. Jones, Vernon Jones · First published 1811Open the Tome
