The SciencesAugust 31, 1889
On the Action of Light on Allotropic Silver
Stories by M. Carey Lea
The SciencesAugust 17, 1889
On Allotropic Forms of Silver
The SciencesJuly 13, 1889
On Allotropic Forms of Silver
The SciencesJuly 31, 1880
Development of the Latent Photographic Image
On Substances Possessing the Power of Developing the Latent Photographic Image.