Letters from William Crookes to his laboratory assistant, Charles Henry Gimingham

A Practical Handbook of Dyeing and Calico-Printing

Material relating to John Spiller

Papers of Sir William Crookes re spectral photography

Spectrum analysis photgraph: spectrum of iron and radium compared

Spectrum analysis photograph entitled: 'Method of standardising reference lines by comparison with iron lines'

Laboratory Notebooks of William Crookes

Letter from William Crookes to Mr Ionides

Laboratory Weighing Book of William Crookes