POLONICA INFORMATION SHEET Cameo with portrait of Queen Bona Sforza from the collection of New York's The Metropolitan Museum of Art New York | États-Unis d'Amérique (USA)
POLONICA INFORMATION SHEET The Royal Tenement House in Lviv: Its Owners and Inhabitants Lviv | Ukraine
POLONICA INFORMATION SHEET The Royal Tenement House in Lviv: owners and residents (19th and 20th centuries) Lviv | Ukraine
POLONICA INFORMATION SHEET Candelabra from the Alexander Jozef Sulkowski service New York | États-Unis d'Amérique (USA)