Peter continues to work on late 19th- and early 20th-century Minas Gerais (Brazil) history. He recently submitted a lengthy article on politics in Minas during this period. In 2010, he co-edited a book with a Brazilian colleagues on the prominent Latin Americanist Richard M. Morse who wrote on urbanization, particularly the Brazilian city, and Latin American intellectual history, specifically on Brazilian modernism. The book, “O Codigo Morse,” was published that year in Belo Horizonte.