1. 1. S Wachsmann . Sea going ships and seamanship in the late Bronze Age Levant . PhD Thesis submitted to the Hebrew University, Jerusalem. 1989 : 219 .
2. 2. C Pulak . http://nautarch.tamu.edu/ina/ubmain. htm. The Bronze-Age ship wrecked at Ulu Burun, Turkey, was carrying twenty-four trapezoidal anchors when it sank.
3. 4. This is a very large grano-diorite anchor estimated to weigh nearly 1.2 tonnes. It is now in storage at Said bin Sultan Naval Base, Oman.
4. Stone anchor-shanks in the Western Indian Ocean