@book{160340,
author = {Massachusets Charitable Eye and Ear Infirmary},
title = {{Fifty-sixth annual report of the Massachusets
Charitable Eye and Ear Infirmary; For the year
1881}},
publisher = {Boston: Alfred Mudge \& Son},
year = 1881,
url = {https://vlp-new.ur.de/records/lit33768}
}