The pleasure is mine, its always nice to meet a fellow enthusiast! :)
I bought all those books in Greece, I am sure there will be Greek online bookstores you can order them from. Unfortunately I don't have much time now, but I promise I'll search for you and I'll let you know tomorrow.
"Until the day that an ancient inscription will be found with the name "Alexandrovski" (or "Alexandrev" or "Alexandrov") written on it instead of "Alexander", true Macedonia and true Macedonians will remain Greek, as they always were."