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Piri Reis Map of the River Nile Estuary with the Cities of Rashid and Burullus on Each Side Walters WB Full Page. Piri Reis Leaf from Book on Navigation Walters WB Full Page Piri Reis Map of the River Nile with Various Oases on Each Side Walters WA Full Page rtl This folio from Walters manuscript contains map of the river