H. P. · H. Porter · Helen Louise Porter Philbrick
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Crochet Collection: Over 50 Projects Of Crochet Stuff For You, Your House And Your Kids: | 978-1-5330-1736-9 | 2016 | Adrienne Sun |
| Educating Outside: Curriculum-linked outdoor learning ideas for primary teachers | 978-1-4729-4629-4 | 2018 | |
| Living Organic: Easy Steps to an Organic Family Lifestyle | 978-1-57071-680-5 | 2001 | Helen Quested · Patricia Thomas · Adrienne Clarke |
| Major Chemical and Petrochemical Companies of the World 2011 | 978-1-86099-679-5 | 2011 | Carolina Dunsford · Sandra James |
| Major Chemical and Petrochemical Companies of the World 2012 | 978-1-86099-733-4 | 2012 | Carolina Dunsford · Sandra James · Sue Ward |
| Major Companies of Latin America and the Caribbean | 978-1-86099-547-7 | 2008 | Heather Brewin · Layla Romiti · Chris Tapster |
| Major Food and Drink Companies of the World 2011 | 978-1-86099-684-9 | 2011 | Heather Bradley · Sandra James |
| Major Food and Drink Companies of the World 2012 | 978-1-86099-738-9 | 2012 | Heather Bradley · Sandra James · Chris Tapster · Graham & Whiteside Ltd |
A & C Black · Graham & Whiteside Ltd · Sourcebooks Inc