Филики Этерия
Panagiotis Sekeris (Tripolitsa 1783 – Nafplio 1846) was a merchant and a leading member of Filiki Eteria (Society of Friends). His archive, an important and reliable source for the history of Filiki Eteria, consists of 14 documents and a very comprehensive manuscript, which contains accounts of Filiki Eteria, copies of 89 letters of Panagiotis Sekeris from Constantinople and Odessa, from August 1818 until August 1821, as well as a list of 520 members with the marks of recognition of each one.