Foot - Wikipedia
Dance Talk Article Miller's Dance Studio
RP Toe Spacers – Just Ballet
New York City Ballet dancer demonstrating the third position of the feet (New York) - NYPL Digital Collections
Bloch Dance A916 Ballet/Pointe Shoe Jumbo Toe Spacers, Clear, One Size (Pack of 4) : : Clothing, Shoes & Accessories
File:Pointe shoe toe spacers.jpg - Wikipedia
Nora Kaye, Yvonne Mounsey, and two other dancers in The Cage - NYPL Digital Collections
Pointe Toe Spacers & Toe Protection – Dancer's Image
Darci Kistler in costume for a New York City Ballet production of The Nutcracker (New York) - NYPL Digital Collections
File:Table full of ballerina shoes.jpg - Wikipedia
File:Pointe shoes.jpg - Wikimedia Commons