@inbook{+1963+1100+1200,
url = {https://doi.org/10.4159/harvard.9780674288164.c5},
title = {Letters 1015 – 1141},
booktitle = {Volume III Letters 816–1362},
editor = {David M. Little and George M. Kahrl},
publisher = {Harvard University Press},
address = {Cambridge, MA and London, England},
pages = {1100--1200},
doi = {doi:10.4159/harvard.9780674288164.c5},
isbn = {9780674288164},
year = {1963},
lastchecked = {2026-05-04}
}