'The nature of the universe', Harpers
Tags: 1950s; 1951; 1951-1-1; Astrophysics; Constitution; Cosmology; England; Hoyle, Fred Sir; Hydrogen bomb; Internal structure; Mass loss (Astrophysics); Physics; Red giants; Research; Solar system; Stars; Sun
'What goes up the chimney', Harpers
Tags: 1950s; 1951; 1951-1-1; Air; Air quality management; Donora; Heilbroner, Robert L.; Law and legislation; Other; Pennsylvania; Physiological effect; Pollution; Smoke; Smoke prevention; Temperature inversions; United States; Waste and Pollution
'Letter to a Family Doctor', Harpers
Tags: 1950s; 1951; 1951-1-1; Advertising; American Medical Association; Anti-communist movements; Antisemitism; Health; Insurance; Medical fees; Medicine; Physician and patient; Staffing, Funding and Institutions; United States; Voto, Bernard Augustine De
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