BMA photo from The Great American Cover-Up:  Counterpanes of the 18th and 19th Centuries," c.1971, Baltimore Museum Of Art;  Bishop photo from "The Romance of Double Wedding Ring Quilts," c.1989, Museum of American Folk Art; Sweeten quilt from "Lone Stars:  A Legacy of Texas Quilts 1836-1936, c.1986, University of Texas Press.

Left:  Double Wedding Ring at Baltimore Museum of Art ascribed to "ca. 1870". Below left:  the Sweeten quit, ascribed to "ca.1890".  Below: two quilts in Robert Bishop's collection dated "1930-1940".