The work spanned 59 years of reports, from 1830 to 1889.

His work here spanned the years from 1872 to 1906.

His work spanned five decades, from the 1950s to the 1990s.

His work in the field has spanned almost three decades.

His work in film and television spanned nearly 5 decades.

As a writer, he left behind a large body of published work spanning more than two decades.

Malkine's work spans the years from the early 1920s right up until his death in 1970.

Chronologically the work spans the 15th century to the 20th.

Representative Slaughter's work on women's health spans more than three decades.

His work spans all forms of media and is circulated to more than 30,000,000 consumers each month.