Observatr̤io Nacional (Brazil).
Photograph collection of the National Observatory of Brazil.
Photographs (of various sizes) of instruments, scientists, building and grounds.
Observatr̤io Nacional (Brazil) -- Photographs.
Astronomers -- Photographs.
Astronomical instruments -- Photographs.
Astronomical observatories -- Brazil -- Photograph collections.
Scientists -- Photographs.
AIP-ICOS
Observatr̤io Nacional/CNPq. Biblioteca. Rua General Jos ̌Cristino, 77, 20927-400 Sao Cristovao - Rio de Janeiro, Brazil