Incoming Resources
- Walker & Company, New York, 2008
- Walker & Company, New York, 2011
- Walker & Company, New York, 2002
- Walker & Company, New York, c2001
- Walker & Company, New York, N.Y., 2007
- Walker & Company, New York, 2003
- Walker & Company, New York, N.Y., 2012
- Walker & Company, Distributed to the trade by Macmillan, New York, S.l., 2008
- Walker & Company, New York, c2013
- Walker & Company, New York, 2012