Referenced In

Travels
by Michael Crichton, Baber, E. C. Baber

"Finally we got to Ayutthaya. Davis said he was going to check his stores, see how they were doing."

The Travels of Marco Polo
by Marco Polo, da Pisa Rusticiano

"mentioned among the Siamese or Laotian countries (Yuthia) and later as the new city founded which became the Siamese monarchy"

The Travels of Marco Polo
by Marco Polo, da Pisa Rusticiano

"Yuthia, Ayuthia (Ayodhya), mediæval capital of Siam, 13, ii. 278n, 279n"