Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Period Stuff is a collection of short stories by the English author Dornford Yates (Cecil William Mercer). Some were written in 1939 but not published in book form until 1942. Some of the tales had originally appeared in The Windsor Magazine and others in The Strand Magazine.