Eight actually survived.

Henri Lefebvre (1901-1991) was another French Marxist termite, gnawing at the roots of Civilization and producing numerous volumes filled with pretentious jargon in the distinctive manière française.

Even a blind pig, as the saying goes, occasionally finds a truffle, and Lefebvre did produce the highly amusing, posthumously published, Les Unités perdue (2004), translated by David L. Sweet as The Missing Pieces (2014), 83 pages listing belle-lettres and works of art lost through the vagaries of time and chance.

One (partially erroneous) example:

The sixteen drawings offered by Amadeo Modigliani to his lover Anna Akhmatova were “smoked” by the Red Guards, who used them as cigarette paper.

About her husband, Nicolai Gumilev.

He loved…

– from Вечер (Evening, 1912), translation by D. M. Thomas.