Four occupations (English Wikipedia)

Burton, William (1906). "The Letters of Père D'Entrecolles". Porcelain: its nature art and manufacture. London: B. T. Batsford Ltd. Archived from the original on 23 September 2015. Retrieved 5 January 2015.

chinaknowledge.de

"《趙飛燕別傳》". Chinese Text Project. Original text: 趙後腰骨纖細，善踽步而行，若人手持花枝，顫顫然，他人莫可學也。

Zhufu, Fu (1981), "The economic history of China: Some special problems", Modern China, 7 (1): 7, doi:10.1177/009770048100700101, S2CID 220738994
Medley, Margaret (1987). "The Ming – Qing Transition in Chinese Porcelain". Arts Asiatiques. 42: 65–76. doi:10.3406/arasi.1987.1217. JSTOR 43486524.
Schiffeler, John Wm. (1976). "The Origin of Chinese Folk Medicine". Asian Folklore Studies. 35 (2). Asian Folklore Studies 35.1: 27. doi:10.2307/1177648. JSTOR 1177648. PMID 11614235.

"China's First Empire | History Today". www.historytoday.com. Archived from the original on 17 April 2017. Retrieved 17 April 2017.

Medley, Margaret (1987). "The Ming – Qing Transition in Chinese Porcelain". Arts Asiatiques. 42: 65–76. doi:10.3406/arasi.1987.1217. JSTOR 43486524.
Wang, Tai Peng (1979). "The Word "Kongsi": A Note". Journal of the Malaysian Branch of the Royal Asiatic Society. 52 (235): 102–105. JSTOR 41492844.
Schiffeler, John Wm. (1976). "The Origin of Chinese Folk Medicine". Asian Folklore Studies. 35 (2). Asian Folklore Studies 35.1: 27. doi:10.2307/1177648. JSTOR 1177648. PMID 11614235.

Schiffeler, John Wm. (1976). "The Origin of Chinese Folk Medicine". Asian Folklore Studies. 35 (2). Asian Folklore Studies 35.1: 27. doi:10.2307/1177648. JSTOR 1177648. PMID 11614235.

Zhufu, Fu (1981), "The economic history of China: Some special problems", Modern China, 7 (1): 7, doi:10.1177/009770048100700101, S2CID 220738994

人権意識のアップデート (PDF). Shimonoseki (in Japanese). Archived from the original (PDF) on 6 June 2023. Retrieved 7 March 2024.

Malhi, PhD., Ranjit Singh (May 5, 2017). "The history of Kuala Lumpur's founding is not as clear cut as some think". www.thestar.com.my. The Star. The Star Online. Retrieved 23 May 2017.

Szczepanski, Kallie. "What Is the Mandate of Heaven in China?". About Education. Retrieved April 4, 2024.

「士農工商」や「四民平等」の用語が使われていないことについて. Tokyo Shoseki (in Japanese). Archived from the original on 30 November 2023. Retrieved 7 March 2024.
第35回　教科書から『士農工商』が消えたー後編ー　令和3年広報うき「ウキカラ」8月号. Uki, Kumamoto (in Japanese). Archived from the original on 30 August 2023. Retrieved 7 March 2024.
人権意識のアップデート (PDF). Shimonoseki (in Japanese). Archived from the original (PDF) on 6 June 2023. Retrieved 7 March 2024.
"China's First Empire | History Today". www.historytoday.com. Archived from the original on 17 April 2017. Retrieved 17 April 2017.
Burton, William (1906). "The Letters of Père D'Entrecolles". Porcelain: its nature art and manufacture. London: B. T. Batsford Ltd. Archived from the original on 23 September 2015. Retrieved 5 January 2015.

Guliang Zhuan (in Chinese) – via Wikisource. 古者有四民：有士民，有商民、有農民、有工民。夫甲，非人人之所能為也。丘作甲，非正也。
Xunzi (in Chinese) – via Wikisource. 農農、士士、工工、商商
Shuo Yuan (in Chinese) – via Wikisource. 春秋曰：四民均則王道興而百姓寧；所謂四民者，士、農、工、商也。
"昭公二十一年" . Zuo Zhuan (in Chinese) – via Wikisource. 將注豹．則關矣．曰．平公之靈．尚輔相余．豹射出其間．將注．則又關矣．曰．不狎鄙．抽矢．城射之．殪．張匄抽殳而下．射之．折股．扶伏而擊之．折軫．又射之．死．
Zuo Zhuan (in Chinese) – via Wikisource. 晉人或以廣隊．不能進．楚人惎之脫扃．少進．馬還．又惎之拔旆投衡．乃出
Han Feizi (in Chinese) – via Wikisource. 其商工之民，修治苦窳之器，聚弗靡之財，蓄積待時，而侔農夫之利。