I am happy to report that I've found a Gehrig and finished my 1934 Goudey set. I am still looking for the other two cards as upgrades...
I have several 1934 Goudeys for sale at the my website below.
http://www.bandkgreen.net/1934_goudey/doubles.htm
I also have some 1934-36 Diamond Stars for sale at the link below.
http://www.bandkgreen.net/diamond_stars/doubles.htm