Theory of Knowledge gives us a picture of one of the great minds of the twentieth century at work. It is possible to see the unsolved problems left without disguise or evasion. Historically, it is invaluable to our understanding of both Russell's own thought and his relationship with Wittgenstein.

This complete edition contains the full introduction, photographs of the manuscript, appendices, and notes on textual matters.

This contribution to Irish medieval studies is the result of years of research into the tile industry that flourished in Anglo-Norman Ireland. A offers a comprehensive account of Irish tiles, detailing their manufacture, the main types and decorative techniques. It gives a full inventory of the 88 sites where tiles have been located, a descriptive catalogue and complete visual index of the 505 known designs reproduced, and colour and black and white plates depicting pavements in situ. An appendix summarises the results of comparative tests on tiles from Ireland and Chester. Finally, a...