Oriental influence, in Europe, [89-90]

Oriental influence, on Germanic jewellery, [107-108]

Oriental influence, on Mediæval German glass, [114-117]

Orleans, glass made at, [238-239]

Orschall’s Sol sine veste, [290]

‘Painted’ enamels on Venetian glass, [208]

‘Painted’ enamels on German glass, [273-274]

Palissy on cheapness of glass, [228]

Paraison, term explained, [14]

Papyrus of Leiden, [120]