Surprisingly, numerous  of Fritz’s stories are still uncollected, and can only be found in anthologies and magazines.

I will be annotating this list with descriptions as I own the majority.

Title Publications
Another Cask of Wine Infinity Four (1972)
Be of Good Cheer Galaxy Oct 64, 10th Annual Edition: The Year’s Best S-F (1965-7), Rulers of Men 1965
Crimes Against Passion Gamma 1(1963)
Gold, Black, and Silver Quark/2 (1971)
Psychosis from Space Satellite Science Fiction, April 1959
Rats of Limbo Fantastic (Aug 1960)
Sunk Without Trace Worlds of Tomorrow (jan 1966)
The Moon Porthole Elsewhere Vol II (1982)
The Princess in the Tower 250,000 Miles High New Dimensions Science Fiction Number 7
The Silence Game The Magazine of Fantasy and Science Fiction, April 1954
The Square Root of Brain Best SF Stories from New Worlds 4
Slack Lankhmar Afternoon Featuring Hisvet Terrys Universe
The Turned off Heads The Magazine of Fantasy and Science Fiction, January 1968
They Never Come Back Future Fiction 1941
Time in the Round Galaxy Science Fiction, May 1957, The Third Galaxy Reader
When the Openly Walk Galaxy Magazine, August 1969
X Marks the Pedwalk Galaxy Magazine, August 1969, An ABC of Science Fiction,Nightmare Age,Car Sinister