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Petersen's Abominations: Tales of Sandy Petersen
Sandy Petersen
Mike Mason
Hardback. Chaosium, 2018-05-01
ISBN 9781568824529
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Call of Cthulhu Keeper Screen: Horror Roleplaying in the Worlds of H.P. Lovecraft (Call of Cthulhu Roleplaying)
Sandy Petersen
Paperback. Chaosium, 2016-05-16
ISBN 9781568824109
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Call of Cthulhu Keeper Rulebook - Revised Seventh Edition: Horror Roleplaying in the Worlds of H.P. Lovecraft (Call of Cthulhu Roleplaying)
Sandy Petersen
Hardcover. Chaosium, 2016-05-16
ISBN 9781568824307
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Call of Cthulhu 7th Ed. QuickStart
Sandy Petersen
Paperback. Chaosium, 2013-08-08
ISBN 9781568823881
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H.P. Lovecraft's Dreamlands: Roleplaying Beyond the Wall of Sleep (Call of Cthulhu roleplaying)
Sandy Petersen
Paperback. Chaosium Inc, 2011-10-19
ISBN 9781568822730
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Basic Creatures
Sandy Petersen
Paperback. Chaosium Inc, 2009-04-13
ISBN 9781568822990
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Infant and Toddler Development and Responsive Program Planning : A Relationship-Based Approach
Donna Wittmer
Sandy Petersen
Paperback. Prentice Hall, 2005-09-20
ISBN 9780130992413
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Call Of Cthulhu: Horror Roleplaying In the Worlds Of H.p. Lovecraft (Call of Cthulhu Roleplaying Series)
Sandy Petersen
Lynn Willis
Paperback. Chaosium, 2005-03-30
ISBN 9781568821818
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H. P. Lovecraft's Dreamlands (Call of Cthulhu Roleplaying Game)
Chris Williams
Sandy Petersen
Hardcover. Chaosium, Inc., 2004-04-01
ISBN 9781568821573
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Shadows of Yog-Sothoth: A Global Campaign to Save Mankind (Call of Cthulhu Roleplaying)
Sandy Petersen
Paperback. Chaosium, Inc., 2004-08-15
ISBN 9781568821740
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