Statistics for occurrence #1 of “Washington, D. C.” in entry walthall-edward-cary of Harper's Encyclopedia of United States History:

...rmy by Gen. George H. Thomas. He resumed law practice in Grenada, Miss., in 1871; was United States Senator in 1885-98, with exception of the period from January, 1894, to March, 1895. He died in Washington, D. C. , April 21, 1898.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.