2019.0020 Unit 0008

Offener Brief [Open Letter]

International Association of Meteorology and Atmospheric Physics [Letters, Circulars, Bulletins and Reports]

[Letters, 1967-1971]

Persönliche Briefe [Personal Correspondence]

[Personal Letters, 1963-1966]

Briefe - Wissenschaft [Letters - Science, 1963-1969]

[Letters, 1963-1965]

Briefe Wissenschaft [Science Letters]

[Empty Envelopes]

Briefe - Persönlich [Personal Letters, 1962-1964]

[Letters, 1962 & 1964-1966]