L.A. Bloom became a rather prominent attorney in Los Angeles. His practice revolved around his knowledge of Russian i.e., if you were Russian and in need of an attorney in L.A. you went to L.A. As a result his practice varied across many civil areas of the law.
The photo stamp on the photos is Edward-Hostetler, who was a prominent portrait studio in L.A. who took a number of professional photos for professionals in the L.A. area.