Statistics for occurrence #1 of “London” in chapter 63 of Charles Congdon, Tribune Essays: Leading Articles Contributing to the New York Tribune from 1857 to 1863.:

...
American gentlemen in London have heretofore, when invited to give a taste of their quality at Guildhall and other civic banquets, been in the habit of uttering a speech after the following formula: Dear old Mother England-langu...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
London (United Kingdom) 2,608 18 2 0 0 user votes
London (Alabama, United States) 32 0 0 0 0 user votes
London (Canada) 29 0 1 0 0 user votes
London (Alabama, United States) 0 0 0 0 0 user votes
London (Arkansas, United States) 0 0 0 0 0 user votes
London (California, United States) 0 0 0 0 0 user votes
London (Indiana, United States) 0 0 0 0 0 user votes
London (Kiribati) 0 0 0 0 0 user votes
London (Michigan, United States) 0 0 0 0 0 user votes
London (Minnesota, United States) 0 0 0 0 0 user votes
London (Minnesota, United States) 0 0 0 0 0 user votes
London (Missouri, United States) 0 0 0 0 0 user votes
London (Ohio, United States) 0 0 0 0 0 user votes
London (Oregon, United States) 0 0 0 0 0 user votes
London (Pennsylvania, United States) 0 0 0 0 0 user votes
London (Tennessee, United States) 0 0 0 0 0 user votes
London (Texas, United States) 0 0 0 0 0 user votes
London (West Virginia, United States) 0 0 0 0 0 user votes

† 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.