The Internet Archive discovers and captures web pages through many different web crawls. At any given time several distinct crawls are running, some for months, and some every day or longer. View the web archive through the Wayback Machine.
Web wide crawl with initial seedlist and crawler configuration from January 2015.
TIMESTAMPS
The Wayback Machine - http://web.archive.org/web/20150324152046/http://books.google.com/books?id=PMFVeWTWF0YC&pg=PA100&lpg=PA100&dq=dahlak+archipelago+umayyad&source=bl&ots=xXmmUqyiBG&sig=dr0kQxuP6pk0aYAnd3uH0RMYCj8&hl=en&sa=X&ei=GP-iUIPhAcLf0gHT2YGgAw&ved=0CDQQ6AEwAQ
books.google.com - In the late 19th century, the port of Massawa, in Eritrea on the Red Sea, was a thriving, vibrant, multiethnic commercial hub. Red Sea Citizens tells the story of how Massawa rose to prominence as one of Northeast Africa's most important shipping centers. Jonathan Miran reconstructs the social, material,...http://books.google.com/books/about/Red_Sea_Citizens.html?id=PMFVeWTWF0YC&utm_source=gb-gplus-shareRed Sea Citizens