1887 in birding and ornithologyW
1887 in birding and ornithology
Fossil GroveW
Fossil Grove
Great Southern Comet of 1887W
Great Southern Comet of 1887
Köhler's Medicinal PlantsW
Köhler's Medicinal Plants
Michelson–Morley experimentW
Michelson–Morley experiment
Petri dishW
Petri dish
Solar eclipse of August 19, 1887W
Solar eclipse of August 19, 1887