De Bois started as journalist ls jIn addition to publishing work (including the first edition of Nescio), he was involved in writing numerous art reviews in Haarlems Dagblad.
Kunst, kennis en commercie : de kunsthandelaar J.H. de Bois (1878-1946), Heijbroek/Wouthuysen 1993
Uit de schilderswereld : Nederlandse kunstschilders in de tweede helft van de negentiende eeuw, Stolwijk 1998, p. 205, 303 en passim
kunstpaus : H.P. Bremmer 1871-1956 [Handelsuitgave], Balk 2006, p. 88 en passim
Literatuur
? van Hattum, 'Johannes Hendricus de Bois, kunsthandelaar, 1878-1946', Haerlem jaarboek 1946, p. 14
Plaats/periode
AmsterdamAmsterdam, 1898-1902, he worked for art trade Van Wisseling & Co
The HagueDen Haag, 1906-1913, from 1906 to 1911 he was manager of the branch in The Hague of the art trade Van Gogh, after 1911 he worked for art trade Artz en De Bois.
HaarlemHaarlem, 1913-1946, in 1913 he founded his own art trade, stituated at the Kruiisweg in Haarlem> This trade became an international success.