Virtue's Home Tutor: First Aid for Happy and Successful Schooling. Ed. J. Fishman and A. E. Fishman. 6th Ed. Revis. R. A. Roberts
Virtue's Home Tutor ... Written and Compiled by J. and A. E. Fishman. Illustrated by Francis M. L. Barthropp. (3rd Edition Revised by R. A. Roberts.).
Calendar of the Manuscripts of the Most Hon. the Marquis of Salisbury, K.G. ... Preserved at Hatfield House, Hertfordshire. (Calendar of the Cecil Manuscripts.) [Vol. 1-3 Edited by S.R. Scargill-Bird, Vol. 4-12 by R.A. Roberts, Vol. 13, 14 by E. Salisbury, Vol. 15, Etc. by M.S. Giuseppi.].
List of Volumes of State Papers Relating to Great Britain and Ireland and the Channel Islands, Preserved in the Public Record Office
Résultats des essais coopératifs sur le maïs hybride en Europe et dans le bassin méditerranéen. 1950. Rapport préparé par ... R.W. Jugenheimer, R.A. Silow et Y.T. Mao, ...