- Y� Yen Tzu �rh Chi. a Progressive Course Designed to Assist the Student of Colloquial Chinese as Spoken in the Capital and the Metropolitan Department. Prepared by Thomas Francis Wade and Walter Caine
- (Yü Yen Tzu Erh Chi), a progressive course designed to assist the student of colloquial Chinese as spoken in the capital and the metropolitan department
- Y� Yen Tzu �rh Chi. a Progressive Course Designed to Assist the Student of Colloquial Chinese as Spoken in the Capital and the Metropolitan Department. Prepared by Thomas Francis Wade and Walter Caine
- (y� Yen Tzu Erh Chi), a Progressive Course Designed to Assist the Student of Colloquial Chinese as Spoken in the Capital and the Metropolitan Department; Volume 3