וואס איז פאקען
Subtitle: in ṿos darf men ṭhun um tsu far hiṭen zikh fon poḳen
Publisher: Defus A. Gelinḳa
Published: 1902
Place of publication: Ṿarshah
Language: yid
Number of pages: 23
Subjects: Smallpox; Chickenpox; Jews; Health and hygiene
Other titles: Ṿos iz poḳen; Chto takoe ospa?
Notes: Cover title.