If you are researching family in London this book is a must, as it lists the cemeteries and crematoria of London with their addresses and where to find their records. All of which will help you in your search.
The book is divided into coloums and lists the following information: name and address of cemetery, location of burial registers, date rgisters began, can you search yourself.
Preface to the 2005 Edition
Non-Denominational Cemeteries and Crematoria: Alphabetical Listing
Restricted Cemeteries and Crematoria: Army, Navy, Roman Catholic, Jewish