Mary Belle de Vargas' drawings were often idyllic, whimsical, and humorous, as shown in these examples. "In Bed with a Cold," was drawn six months before her death for her friend and biographer, Gualterio Quinonas. Whenever the 13th of the month fell on a Friday, she would create a drawing and send it to him.
"Garden Maid"
"Blowing Bubbles"
"In Bed with a Cold"
"Little Study in Evolution"
