Brooke, Elias R., patient, 41 [years old, estimate birth year: 1859]; [place of birth: Pennsylvania]
"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M3QR-QS3 : accessed 04 Mar 2014), Elias R Brooke, Mahoning Township (State Hospital for the Insane), Montour, Pennsylvania, United States; citing sheet , family , NARA microfilm publication T623, FHL microfilm 1241445.