On 1 October 1939 Zamenhof was arrested and sent to the camp in Palmiry, where he was shot.
Esperanto, in his view, was a theoretically neutral instrument for communication, which could serve as a vehicle for idealistic values, initially Zamenhof's philosophy of homaranismo, later the interna ideo (internal idea) of achieving "fraternity and justice among all people" (Zamenhof) through the adoption of Esperanto.
The city museum borrowed Zamenhof’s bust and many books from nearby Česká Třebová, which has the largest collection of Esperanto books in the Czech Republic.
Zamenhof proposed using the pronoun ĝi (literally "it").
Author of Zamenhof: Creator of Esperanto — a biography of L. L. Zamenhof published in 1960 by Routledge & Kegan Paul of London — she also wrote a widely used series of introductory texts on literary studies: The Anatomy of Poetry (1953), The Anatomy of Prose (1954), The Anatomy of Drama (1960), The Anatomy of Language (1968), The Anatomy of the Novel (1975) and The Anatomy of Literary Studies (1980).
Swamiji compare Manavbhasha with Esperanto another language by Zamenhof a Polish Eye Surgen in 1887 and a book named Esperanto verses Manavbhasha was published in 1971.
However, the dictionary lacks any etymological references to the first use of a word and does not mention whether or not a word was personally introduced to the language by Zamenhof, or possibly even mentioned in his Fundamento de Esperanto.