Edwy Searles Brooks had 24 books published by White Circle - 17 as Berkeley Gray and seven as Victor Gunn. Only Peter Cheyney (24) and Charles Horace Snow (31) had as many or more (see part I of this series). Here are four of his books published over a number of years that show the change in cover styles.
White Circle 105 - 1944 reprint
White Circle 344 - 1948
White Circle 205 - 1944 (Isobel McQuire)
White Circle CD 436 - 1950 (John Fernie)
Maysie Greig had 12 books published by Collins - seven published under her real name and five as Jennifer Ames. Here are three of her books.
White Circle 260 -1946
White Circle 312 - 1947 (photograph)
White Circle CD 417 - 1949