The same issue of MODERN SCREEN reprinted letters from Dorothy Lee to Bert Wheeler and from Thelma Todd to Zasu Pitts.
Thelma Todd's letter.
Note that Thelma Todd calls Zasu Pitts "Pittsy" here, a nickname she used for her in SEAL SKINS, one of the two-reel comedies they made together. Thelma Todd was in San Francisco when she wrote this letter - San Francisco was a place she referred to on more than one occasion, and it was evidently someplace where she would go.
Dorothy Lee's letter.
"Pittsy" used in SEAL SKINS: