 In the 1830s he also made three or four trips to Europe in preparation for his first book.In later years, especially the 1850s and 1860s most of Petit's work was undertaken abroad.He travelled often, especially in France where he sketched most years, Germany, Italy, and Ireland, but also completing tours to Corfu, Greece and Constantinople (1857), Spain and North Africa (1858) and Egypt and Syria (1865).