Since screw-mount Leicas were meant to be small and pocketable, the answer is - not many! There is the rigid Summar (very rare, almost all were collapsible), the pre-war Xenon and its post-war version the Summarit, the Summicron Mark II and the Summilux Mark I (both very rare indeed in rigid screw mount). If you are worried about fouling the metering baffle in a Voigtlander, I wouldn't be, I have used a collapsible Elmar with a Bessa T and L, even fired the shutter with the lens closed, and there was no damage. To be totally sure, you can place a piece of Dymo tape on the barrel of a collapsible lens in the extended position to stop it closing, Leica themselves did this to make old lenses usable with the Leica M5. If you want the good old pre-war Leica look, I would recommend an f3.5 Elmar, which is also the cheapest choice by far.
Regards,
David