Annals Tacitus
Calígula
- Agripina Anthony A. Barrett
- A Fatal Thing Happened on the Way to the Forum: Murder in Ancient Rome Emma Southon
- Caligula Podster
- Calígula Nicolas Tran
- Vita dei Cesari Svetonio
- Mujeres ilustres. Tomo II María del Pilar Sinués
- A History of the World in 51 Heroes and Villains: The rip-roaring new book from the hosts of The Rest is History Tom Holland, Dominic Sandbrook, Goalhanger
- Tiberius and Caligula: English Edition Santiago Machain
- Claudio: English Edition Santiago Machain
- The Lives Of The Twelve Caesars: Volume 1 Julius Caesar Suetonius
- The Lives Of The Twelve Caesars: Volume 4 Caligula Suetonius
- Caligula: A Life from Beginning to End Hourly History
- The Darkest Crimes of Imperial Rome: Assassination, Treason, Poison, Family Ambition, and Violence Near the Throne Charles Shore
- Circus Maximus: Rivals on the Track: Rivals on the Track Annelise Gray
- 100 citations de Sénèque – Sénèque
- Suétone, Vie des Douze Césars – Suétone
- Circus Maximus: Rider of the Storm: Rider of the Storm Annelise Gray
- Incitatus: reflexões sobre humor e política João Paulo Capelotti, Constantino Pereira Martins
- Caligula Allan Massie
- Caligola Roberta Dalessandro
- Caligola e Claudio: Follia e debolezza al potere AA.VV., Arnaldo Marcone
- Biografías breves - Calígula Luis Machado
- VIDAS DE LOS DOCE CÉSARES Suetónio
- CALÍGULA: Poder e lujuria en la antigua Roma: Suetónio Suetónio
- Of Consolation: To Marcia, To Helvia, To Polybius Seneca the Younger
- Unfortunately, She was a Nymphomaniac: A New History of Rome's Imperial Women Joan Smith
- THE TWELVE CAESARS - Suetonius Suetonius
- Keizers van Rome Suetonius
- Keizers sterven niet in bed: van Caesar tot Romulus Augustulus 44 v.Chr.-476 n.Chr. Fik Meijer
- Caligula, Life of a Roman Emperor Suetonius
- Roman History 101: From Republic to Empire Christopher M. Bellitto
- Calígula Cayo Suetonio Tranquilo
- A Fatal Thing Happened on the Way to the Forum: Murder in Ancient Rome Emma Southon
- El Imperio Romano: Una Guía Fascinante sobre el Ascenso y la Caída del Imperio Romano que incluye las historias de Emperadores como Augusto Octavio, Trajano, y Claudio Captivating History
