https://rangelandtrust.org/2020/03/01/van-vleck-ranch/
Van Vleck Ranch | Conservation Easement in CA | California Land Trust
May 10, 2020 - Van Vleck Ranch became a partner of California Rangeland Trust, keeping this working ranch in Sacramento County an open and thriving landscape.
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https://www.aip.org/library/ex-libris-universum/telegram-congratulations-to-j-h-van-vleck-in-1935
Telegram Congratulations to J.H. Van Vleck in 1935 - AIP.ORG
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https://www.wesleyan.edu:443/academics/departments/astronomy/observatory/
Van Vleck Observatory | Wesleyan University
Explore Van Vleck Observatory — a hub for research, outreach, and public stargazing in Middletown, Connecticut.
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https://www.nobelprize.org/prizes/physics/1977/vleck/facts/
John H. Van Vleck – Facts - NobelPrize.org
The Nobel Prize in Physics 1977 was awarded jointly to Philip Warren Anderson, Sir Nevill Francis Mott and John Hasbrouck Van Vleck
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