1894 - Dr. W. F. Cobb, physcian and surgeon. Mona, Iowa and Lyle, Minn. Office hours at Lyle from 1 to 5pm. Office over J. O. Myhre's store.
1896 - Dr. W. F. Cobb, Dr. J. W. Cunningham, Physicians and surgeons. Lyle, Minn. Office hours Cunningham from 9 to 12 am. Cobb from 1 to 5 pm. Office over J. O. Myhre's store.
1897 - Dr. W. F. Cobb, physician and surgeon. Lyle, Minn. Office hours from 1-5pm. Office over J. O. Myhre's store.
1902 - Dr. W. F. Cobb, physician and surgeon. Lyle, Minn. Office hours 10 to 12am and 1 to 5pm. Office over Myhre & Nelson's store. Lyle, Minn.
1904 - W. F. Cobb, M. D. Physician and surgeon. office over Stanley Bros. store. Lyle, Minn. office hours 10-12am and 1-5pm
1906 - W. F. Cobb, M. D. Physician and Surgeon. Office over Lund's store. Lyle, Minn.

J. W. Cunningham from Hampton, Iowa helped Dr. Cobb during the summer of 1896.