WordPress allows only Paypal buttons to be used on its pages so presently I can offer you option to pay by Visa/Mastercard via Yandex Money, well reputed Russian money wallet service.
Button to pay for subscription you’ll get in reply to your order sent to my e-mail box email@example.com.
In your letter you can ask any questions from me but if you decide to subscribe please specify geographical region (or regions) of your interest.
Current price of annual subscription to one region is 700 Russian rubles or approximately 10 US dollars.
It’s subject to revision if I’ll be overloaded with work but only for new subscribers.
Subscribing to several regions or all nine allowed.
I New World – covers both Americas, Sub-Saharan Africa & Oceania
II Christian World – includes Western Europe & Scandinavia
III Slavic World – Eastern Europe, Greece, Byzantium & Balkans
IV Eurasian World – European Russia, Ukraine & Belarus
V Ancient East & Islamic World – all countries in Middle East & North Africa
VI Nomadic World Central & Inner Asia, Asian Russia, Mongolia, Tibet
VII Indian Subcontinent – Pakistan, Afghanistan, India, Nepal, Bhutan, Bangladesh, Sri Lanka
VIII Far Eastern Asia – China, Japan, Korea
IX South East Asia – Myanmar, Thailand, Laos, Cambodia, Vietnam, Malaysia, Indonesia