- Engels, Friedrich,
Engels, Friedrich, 1820-1895 (Nombre Personal)
- Engels, Bedr̆ich, 1820-1895
- Engesi, 1820-1895
- Enhel’s, F., 1820-1895
- Engels, Frederick, 1820-1895
- Ėngelʹs, F. 1820-1895 (Fridrikh),
- Engels, Federico, 1820-1895
T Salvat universal
Marx, K. The individual and society, 1984: CIP portada (Frederick Engels)
Marx, K. Manifest kommunisticheskoĭ partii, 1978: portada (F. Ėngelʹs) colophon (Fridrikh Ėngelʹs)
Wang, H.P. En-ko-ssu ti wan nien, 1883-1895, 1985: colofón (Engesi)
nuc89-106050: Marx, K. La guerra civil en Francia, 1968 (hdg. on PrU rept.: Engels, Friedrich, 1820-1895; usage: Federico Engels)
Wikipedia, viewed May 10, 2021: (Friedrich Engels; sometimes anglicised as Frederick Engels; born November 28, 1820 in Barmen, Kingdom of Prussia; died August 5, 1895 in London, England); philosopher, economist, historian, political theorist, revolutionary socialist, businessman, journalist and political activist) https://en.wikipedia.org/wiki/Friedrich_Engels
