Published by Redwood Press
1970
Recent Publications
Published by Northern Bee Books
2015
ISBN: 9781908904621
Available in both hard & softback
Published by Northern Biological Supplies
1999
Published by Bee Books New & Old
2001 Revised
ISBN: 0-905-652-61-4
Published by Northern Bee Books
2010 Reprint
ISBN: 978-1-904846-57-4
Published by Northern Bee Books
2018
ISBN: 9781912271245
Published by Northern Bee Books
2012
Published by Undine Westphal
2014
Published by Floris Books
2013
Published by Northern Bee Books
2012 (2nd Edition)
ISBN: 9781908904195
Published by Northern Bee Books
2013
ISBN: 9781908904232
Published by A. I. Root Company
2007
Published by Haynes Publishing
2016
Published by Hodder Headline
2010
Published by Platin Press
2015
ISBN: 9780956940469
Published by Northern Bee Books
1985
Published by Northern Bee Books
2012
ISBN: 9781908904126
Published by Springer-Verlagr
2017
ISBN: 978-3-319-60635-4