Four textile samples, two pieces graph paper on perforated paper. At top left, graph paper with handwritten illustration of treadling sequence. Top center, plain weave textile in cream and grey showing clover pattern. Top right, plain weave textile in orange, cream and salmon showing horizontal stripes. At center, handwritten blue ink on grid paper: Flagstones – Bertha Gray Hayes / Popper March 59. At bottom left, plain weave textile in cream and lime pattern. Bottom right, plain weave textile in cream, lime and green pattern showing triglyphs within lozenges.