The book "*Glass : 500 B.C. to A.D. 1900 : the Hans Cohn collection*" by **Axel von Saldern** primarily focuses on the history of glass and glassware, specifically as presented through the **Hans Cohn collection**. Key themes and topics include:
- **History of Glassware**: Covering a vast period from 500 B.C. to A.D. 1900, the book explores the evolution of glass objects and glassmaking techniques. 【1】【2】
- **Art Collections and Exhibitions**: The book serves as an exhibition catalog for the Hans Cohn collection, highlighting the significance of private art collections and their display. 【3】
- **Specific Glassmaking Techniques and Types**: While not explicitly detailed for this book in the search results, other works by the author on ancient glass suggest that the book likely delves into various historical glassmaking techniques such as core vessels, molded vessels, blowpipe techniques, cut designs, cameo glass, mold-blown glass, mosaic, and millefiori glass, given the extensive historical period covered. 【4】
- **The Hans Cohn Collection**: The book centers on the specific collection of Hans Cohn, making it relevant to studies of prominent art collectors and their contributions to the field. 【3】
These themes can help draw connections to other books in a library that cover:
- The history of art and decorative arts.
- Specific periods of art history (e.g., ancient art, Byzantine art, art nouveau).
- Materials and craftsmanship (e.g., ceramics, metalwork, textiles).
- Museum studies, exhibition catalogs, and the history of collecting.
- Biographies or studies of other significant art collectors.