Articles & posts in Greek about fr Daniel Sysoev in Google (& others here)
Akathist for fr Daniel Sysoev in Greek
Fr. Daniel Sysoev: holy hymns (in Greek)
Orthodox Christian Book on Islam dedicated to Father Daniel Sisoev & New Martyr Evgeny Rodionov (see pages 233 - 235)
Δανιήλ Συσόϊεφ, Μάρτυρας του Χριστού
İlahiyatçı ve İman İkrarcısı, Şehit Peder Daniel Sysoev (1974–2009) (in Turkish)
New Martyr fr Daniel Sysoev - “The warriors of Christ are not killed, but crowned”!...
The mission is feasible! – about publishing activity of the Orthodox Missionary Center “Fr. Daniel Sysoyev”