Analysis of information sources in references of the Wikipedia article "George Rodney Willis" in English language version.
WHEN IT opened in January 1928, San Antonio's 21-story Milam Building, originally owned by the Travis Investment Company, was the nation's tallest brick and reinforced-concrete structure — taller than comparable concrete-framed buildings in New York and Chicago — and the first high-rise air-conditioned office building in the country.
