two persons;2 persons;two people;2 people;20th century;20 century;XX century;XXth century;twentieth century;c20th;20 20th xx xxth twentieth century;20 20th xx xxth century;20 20th 20th XX XXth 20th century;20th;early twentieth century;mid-20th century;1910s;10s;1910's;1910-1919;1910-1919 years 10 10s;years 1910 - years 10 - years ten;1900-1910 years 10 10s;learning;learn;art;arts;works of art;chair;chairs;furniture;furnishings;piece of furniture;colour;color;coloured;colors;colours;colored;school;schoolchild;schoolgirl;schoolboy;school child;school boy;schoolboys;Schoolfellows;schoolgirls;school girls;school children;school kids;education;educational;educating;childhood;child;children;kid;teacher;professor;schoolmaster;professors;school teaching;teaches;tutor;Pedagogue;teachers;teacher?™s;teaching lesson;woman;feminine;ladies;women;lady;governess;nanny;nannies;reading;read;to read;reading (action);painting;paint;paintings;portrait;old person;Elderly;old man;old woman;old couple;elderly man;old age;senior adult;oil painting;oil (painting);oil on wood;oil on panel;oil on canvas;mzpainting;interior ;indoor;indoors;room interior;Interiors;inside;Building Interior;Liebermann Max (1847-1935);painter;artist;artists;