Description: 1. "PLATE XXXIV. Proportions of the statue of Antinous. This figure is seven heads high, two noses, assuming she was right. Fig. 1. The Antinous, given in front. 2. The same, seen from behind. 3. The foot right, front view. 4. The other foot, front view. 5. & 6. The same figure seen on both sides. 7. Head. 8. The nose, mouth. 9. 10. etc.; 11. The Feet, seen from different sides. "
From the site Le projet Utpictura
Antinous du Belvedere from Pierre Bouillon's Musee des Antiques. Some prints from Pierre Bouillon's Musee des Antiques are for sale on Ebay. The book was published in 1811
French Wikipedia article.
Another site about Antinous.
The greek god Hermes (Mercurius for the Romans) in the Pio-Clementine Museum is a 1st century Roman copy of the Greek 4th century BCE original from the Praxiteles school.
Venus du Capitole, Antinous du Belvedere and Venus d'Aries from A collection of etchings from the most celebrated ancient and modern productions in painting, sculpture, and architecture of the Italian and French schools, from originals preserved in the Louvre, Paris: By Charles Paul Landon, Charles Pierre Joseph Normand
Proportions of Statue of Antinous from Neue Lehre von den Proportionen des menschlichen Körpers: by Adolf Zeising
Postcards from the Roman version
Print from Thomassin's book, postcard of the Museum at Delphi version
Left, ANTINOU FAORITO D’ADRIANO IMPERATORE E PER COMMANDAMENTO DEL MEDESIMO UENERATOR DOPO CHE FV MORTO TRA GL’EROI, E DEIFICATO ALL’VSO DE’ GENTILI, Right Antinous, Flickr page of classical sculptures of Antinous..