1. Tenant for Death   '37
2. Death Is No Sportsman   '38
3. Suicide Excepted   '39
4. Tragedy at Law   '42
5. With a Bare Bodkin   '46
6. Untimely Death (aka He Should Have Died Hereafter '58)

FRANCIS PETTIGREW MYSTERY Series:

1. The Wind Blows Death  (aka When the Wind Blows '49)
2. Death Walks the Woods  (aka That Yew Tree’s Shade '54)

STAND ALONES:

An English Murder   '51 (aka The Christmas Murder)
Death Among Friends and Other Detective Stories (aka Best Detective Stories '58)

I wrote an entry about An English Murder which you can find on this page.