professional photographer 1935 Hong Kong

i have a large photo album dated 1935..with many professional dark sepia photographs of children people.. artisans. ear cleaners..shops..street views harbor views..etc.  lots of them... they aren't signed..but are about 6 x 4 inches and dark sepia and wonderful.. mostly close up views. i would guess they were sold in hotels to tourists.  anyone know photographers of that era? they are trimmed with thing black strip on edge. The album owner was a doctor . i believe..who might have worked at a  nursing home.  American stationed on USS Isabel 1934. i have other info..  many snap shots of Hong Kong.  other Chinese cities and Manila..  i am sure these were taken by a professional and his work must be well known.  any info appreciated. .This is a large photo album and are photos are labeled.  The harbor and people views are really awesome. thank you.