Charles PÉGUY (1873–1914). Signed autograph manuscript, Mathematics Homework Assignment, [1887–1888]; 2 pages, in-4 format, on lined school paper. Geometry homework assignment from when Péguy was in “Classe de Troisième,” with two drawings of triangles. “In any isosceles triangle, the perpendiculars drawn from the ends of the base to the opposite sides (heights) are equal”…