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Allentown, Pennsylvania - Wikipedia
City of Allentown - PA - Official Site
Things to Do in Allentown, PA | Farmers Markets & Museums
Allentown | visitPA
Attractions in Allentown, PA | Culture, Events & Entertainment
THE 15 BEST Things to Do in Allentown - Tripadvisor
THE 30 BEST Places to Visit in Allentown (UPDATED 2024) - Tripadvisor
Allentown | City in Pennsylvania, Manufacturing | Britannica
15 Top-Rated Things to Do in Allentown, PA | PlanetWare
Allentown – Travel guide at Wikivoyage