Here are a few options for text to accompany your file, depending on where you are sharing it:
Since it is a .7z file, users will need the 7-Zip utility or a compatible extractor like The Unarchiver (for Mac) to open it. HistoryOfCairo.7z
Based on historical records like Karl Baedeker's Egypt Handbook , these types of archives often contain maps by explorers like Lepsius or architectural plans from Franz Bey. Here are a few options for text to