#1 Roy (R. W.) Brown 1921- is the author of Tracks & Signs of the Birds of Britain & Europe. Some of his works can be found on the R. W. Brown author page.
#2 Roy Frederick Brown (10 December 1921-14 September 1982), Canadian-born British author of mostly childrens' books including Find Debbie!.
#3 Roy I. Brown is the author of Beyond Basic Care.
#4 Roy Brown 1906- is the author of Steamboats on the Assiniboine.