Probably none that were ever released (if any were cut). Her recordings for Correc-Tone were made in Detroit (Produced in mid 1962 by Robert Bateman, and recorded in Correc-Tone's recording studio that Bateman had helped design and build. Wilbur(t) Golden leased them to Time(Brent) Records in New York. Her 2 Sahara Records cuts may have been recorded in Detroit "I Don't Care" (Bateman at Correc-Tone in mid 1962), and New York, "Heartbreak City", (a song written by New York writing team, Al Cleveland and Arthur Crier), in a session run by Bill Ramal (at least several if not many weeks later)-. This seems to have been leased by Bateman to Morty Wilson's Sahara Records(New York), and distributed by New York's I.P.G. I doubt that Bateman gave any money he received to Wilbur(t) Golden, Clearly, "I Don't Care" was a Correc-Tone song (with Sonny Sanders and Willie Harbert as writers. I don't know why Jobete Music got a cut of the publishing.
In 1963, Marva stayed in New York, recording for City Records (co-owned by Julius Dixon?), and then in 1964-65 for United Artists in New York. I don't know of ANY of her recordings being produced in Pittsburgh.