By Groom, Professor Nick
By Iain Gray
By Gill Rossini
By Jiri Louda, Michael Maclagan
By Richard Tomlinson
By National Portrait Gallery
By John Van der Kiste
By Barbara Boyle Torrey, Clara Myrick Green, James Fisher, Tanya Gaskins Hardy, Maurice Jackson
By Matthew L. Helm, April Leigh Helm
By Pauline A. Saul
By Friedrich Wilhelm Nietzsche, Thomas Common
By Brian Hoey
By William Shawcross
By Bella Bathurst
By Peter Summers, John E. Titteron
By John P. Colletta, John P. Coletta, John Philip Colletta
By Leslie Gilbert Pine
By Ruth Alexandra Symes
By Barbara J. Starmans
By Robert K. Massie
By Francis Moffat of that Ilk
By W.H. Howe
By Philip Riden
By Patrick Cockburn
By W.G. Crampton
By MachLysaght, Edward