Maughn Gregory

Filosofiaa lapsille & nuorille  Maughn Gregory Nidottu. Eurooppalaisen filosofian, 2009 ISBN 9789525503401     In Community of Inquiry with Ann Margaret Sharp  Maughn Gregory Megan Laverty Paperback. Routledge, 2019-01-17 ISBN 9780367204235     A Crash Course in Logic  Maughn Gregory Plastic Comb. University Press of America, 1999-12-08 ISBN 9780761815334