(17 October 2010). Peep-toe boots let them all hang out, Los Angeles Times ("Open-toe shoes made their way back into style after the Depression with a rise in the influence of beach culture. Sandals evolved into peep-toe evening shoes, a style that stayed strong through the 1940s. They resurfaced in fashion during the 1970s and more recently as tough, Frankenstein-goes-on-holiday, platform booties on the Alexander Wang spring 2009 runway....")
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Critchell, Samantha (11 March 2007). This spring, wear a heel of a shoe, Tuscaloosa News (Associated Press story) ("There were open toe shows before the 1940s but that's when they started to be called peep-toe shoes to imply a sexual overtone")