By Alain de Botton. Flammarion 2010 . 1 vol. (145 p.) 21 cm. 9782081240759

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=6364 ISBN 9782715226630 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=8677

By Alain de Botton. Mercure de France 2007 . 1 vol. (341 p.) , Index 21 cm. 9782715226630

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=8677 ISBN 9782081274907 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=12453

By Alain de Botton. Flammarion 2012 . 1 vol. (327 p.) , Index 22 cm. 9782081274907

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=12453 ISBN 9782081274907 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=30438

By Alain de Botton. Flammarion 2014 . 1 vol. 327 p.) 9782081274907

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=30438 ISBN 9782290028032 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=30486

By Alain de Botton. J'ai lu 2010 . 1 vol. (318 p.) 9782290028032

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=30486 ISBN 2207242544 http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=53327

By Alain de Botton. Denoël 1995 . 381 p. 21 cm. 2207242544

http://bnfa.ch/cgi-bin/koha/opac-detail.pl?biblionumber=53327