Sources and further reading for the tomatoes and eggs post
Anderson Jr., E., & Anderson, M. (1977). Modern China: South. In K. (. Chang, Food in Chinese Culture (pp. 317-382). New Haven: Yale University Press.
Anderson, E. N. (1988). The Food of China. New Haven: Yale University Press.
Elder, K. (2015, August 18). How tomatoes went from ‘sour trash’ to worldwide domination. Retrieved from The Washington Post: https://www.washingtonpost.com/lifestyle/food/how-tomatoes-went-from-sour-trash-to-worldwide-domination/2015/08/17/02f27c8a-410e-11e5-8ab4-c73967a143d3_story.html?utm_term=.29db0354717d
Jenkins, J. (1948, October). The Origin of the Cultivated Tomato. Economic Botany, 2(4), 379–392.
Wu, D. Y., & Cheung, S. C. (2002). The Globalization of Chinese Food. Honolulu: University of Hawai'i Press.
Young, K. (2016, May 12). Food in books: the tomato sandwiches in Harriet the Spy . Retrieved from The Guardian: https://www.theguardian.com/books/little-library-cafe/2016/may/12/food-in-books-the-tomato-sandwiches-in-harriet-the-spy