9781405159289 | 4th edition (Blackwell Pub, October 19, 2009), cover price $39.95 | About this edition: Incorporating significant editorial changes from earlier editions, the fourth edition of Ludwig Wittgenstein's Philosophical Investigations is the definitive en face German-English version of the most important work of 20th-century philosophy The extensively revised English translation incorporates many hundreds of changes to Anscombe’s original translation Footnoted remarks in the earlier editions have now been relocated in the text What was previously referred to as ‘Part 2’ is now republished as Philosophy of Psychology – A Fragment, and all the remarks in it are numbered for ease of reference New detailed editorial endnotes explain decisions of translators and identify references and allusions in Wittgenstein's original text Now features new essays on the history of the Philosophical Investigations, and the problems of translating Wittgenstein’s text

9781845401436, titled "Faith in a Hard Ground: Essays on Religion, Philosophy and Ethics" | Imprint Academic, December 30, 2008, cover price $80.00 | About this edition: Elizabeth Anscombe's forthright philosophy speaks directly to many religious and ethical issues of current concern.

9781845401214, titled "Faith in a Hard Ground: Essays on Religion, Philosophy and Ethics" | Imprint Academic, August 1, 2008, cover price $34.90 | About this edition: Elizabeth Anscombe's forthright philosophy speaks directly to many religious and ethical issues of current concern.

9780631130628 | Blackwell Pub, September 30, 2007, cover price $99.95 | About this edition: "Although the final remarks in this volume were written less than a fortnight before Wittgenstein's death, the work as a whole has all the forcefulness, originality and richness that characterise his greatest works.

9780125641302, titled "Methods in Cell Biology: Fluorescence Microscopy of Living Cells in Culture Part B. Quantitative Fluorescence Microscopy-Imaging and Spectroscopy" | Academic Pr, February 1, 1989, cover price $156.00 | also contains Methods in Cell Biology: Fluorescence Microscopy of Living Cells in Culture Part B. Quantitative Fluorescence Microscopy-Imaging and Spectroscopy, Zettel | About this edition: xiv 503p hardback, graphs, colour images, reference, index, 'prepared under the Auspices of the American Society for Cell Biology', firm binding, a fresh unread copy, excellent

9780631128236 | 2 edition (John Wiley & Sons Inc, January 30, 1991), cover price $45.95 | About this edition: Zettel is a collection of fragments which Wittgenstein cut from various of his typescripts and preserved for future use.

9780631125051 | 3 new edition (John Wiley & Sons Inc, January 30, 1991), cover price $50.00 | About this edition: This substantially revised edition of Wittgenstein's Remarks on the Foundations of Mathematics contains one section, an essay of fifty pages, not previously published, as well as considerable additions to others sections.

9780631129424 | Blackwell Pub, January 15, 1991, cover price $57.95

9780631129226 | Blackwell Pub, January 15, 1991, cover price $60.95 | About this edition: Early work from a leader in analytic philosophy From Parmenides to Wittgenstein, Volume 1: Collected Philosophical Papers is part of a multi-volume publication of G.