It has been used as a source by many modern projects, including Wikipedia and the Project Gutenberg Encyclopedia.
The later years of his life were spent at Neustettin (Szczecinek); the 11th edition of Encyclopædia Britannica cited a scholarly article by Kasiski in its entry on the town.
According to the 1911 edition of the Encyclopaedia Britannica he for a while "almost ... constituted the Whig party in the upper house."
The 1911 Encyclopædia Britannica Eleventh Edition has a comprehensive article on the Bill of Exchange, detailing its history and operation, as understood at the time of its publication.
Lydekker was a contributor to Encyclopædia Britannica.
In 1911 the Encyclopædia Britannica Eleventh Edition recorded that a large portion of the state was covered with dense jungle, in which wild animals, including the tiger, bear and leopard, abounded; and that the climate was on the whole dry (in the south and east there was usually a fair amount of rain.
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His best known works are the illustrations he did for the Encyclopædia Britannica Eleventh Edition (1911) and his portraits of Pope Leo XIII, Sir Alfred Scott-Gatty and Prince Arthur of Connaught.