Apparatus employing question and answer grid arrangement and met
Apparatus for aiding in learning correct penmanship
Apparatus for and method of teaching reading and spelling
Apparatus for constructing crossword puzzles
Apparatus for efficient reading
Apparatus for entertainment and education and method of use
Apparatus for interactive language training
Apparatus for shared reading
Apparatus for teaching inscription of characters
Apparatus for turning pages of book
Article for improving correspondence letter writing skills
Assessment of spelling and related skills
Audio frequency converter for audio-phonatory training
Audio frequency converter for audio-phonatory training
Audio interactive tutor
Audio system with language exercise function
Audio-frequency converter apparatus, for treating subjects suffe
Audio-frequency converter apparatus, installation including said
Audio-visual language teaching apparatus and method
Audio-visual work with a series of visual word symbols coordinat