1911 Encyclopædia Britannica, Volume 28… (1911)
“ Wauters is equally eminent as a portraitist, in his earliest period exhibiting, as in his pictures, sober qualities and subtle grip, but later on developing into the whole range of a brilliant, forceful palette, and then into brighter and more delicate colours, encouraged thereto, in his more recent work, by his adoption of pastel as a medium even for life-size portraits, mainly of ladies. ”
