"La Voix des Sources" is a color lithograph by Lucien Hector Monod, part of a significant portfolio of 50 lithographs issued as a bound volume with protective tissue guards between each print. The work exemplifies the decorative and naturalistic sensibilities of early twentieth century French printmaking, combining chromatic sophistication with the technical refinement characteristic of fine art lithography. As one element within a substantial print suite, the work reflects Monod's engagement with portfolio-based artistic presentation and the medium's capacity for nuanced color effects.