Property:Lesson-language

This is a property of type Has type::String.

The allowed values for this property are:
 * Allows value::lesson-english
 * Allows value::lesson-swedish
 * Allows value::lesson-german
 * Allows value::lesson-japanese
 * Allows value::lesson-croatian
 * Allows value::lesson-chinese_t
 * Allows value::lesson-chinese_s
 * Allows value::lesson-korean
 * Allows value::lesson-spanish
 * Allows value::lesson-polish
 * Allows value::lesson-slovak