Helen Roy

titleISBN-13year of publica-
tion
other author(s)
Field Guide to Invasive Plants and Animals in Britain978-1-4081-2318-82015Olaf Booy · Max Wade
Field Guide to the Ladybirds of Britain and Ireland978-1-4729-3567-02018Peter Brown
Field Guide to the Ladybirds of Great Britain and Ireland978-1-4729-3568-72018   "
Ladybirds of Britain and Ireland978-1-906698-20-12011Peter Brown · Robert Frost
Provisional Atlas of the Aculeate Hymenoptera of Britain and Ireland: Pt. 7978-1-906698-14-02009Robin Edwards

H. Roy · Helen E. Roy · Helen Rhee · Helen Roe · Helen Rowe · Hélène Ray

A & C Black · A & C Black Publishers Ltd · Centre for Ecology & Hydrology

 

Helen Rozwadowski