N.K Krupskaya has written:
'Memories of Lenin'
T. G. Logvinova has written: 'Nadezhda Konstantinovna Krupskaya'
N.K Yalcinkaya has written: 'Ingiliz Hukuku'
N.K Guha has written: 'Learn Bengali in a Month'
Lyudmila Kunetskaya has written: 'A life devoted to struggle (Centennial of N. K. Krupskaya's birth)' 'Lenin in the Kremlin'
N.K Rerikh has written: 'Sem' velikikh tain kosmosa'
Nadezhda Krupskaya's birth name is Krupskaya, Nadezhda Konstantinovna.
Nadezhda Konstantinovna Krupskaya was born on February 26, 1861.
Nadezhda Krupskaya was born on February 26, 1869, in St. Petersburg, Russian Empire [now Russia].
IMHO I can suppose that Krupskaya was originated from a Russian word Krupa - which means grits. This opinion was given by a professional www.Russian-English-Translator.com - all you need in Russian Translation
Vladimir Lenin married to Nadezhda Krupskaya in 1898
Lenin's wife's name was Nadezhda Konstaninovna Krupskaya
Lenin had one wife, Nadezhda Konstantinovna Krupskaya.