Talk:Four seals

References for three dharma seals:

• http://enkyojibuddhistnetwork.org/wp-content/uploads/2017/01/The-Three-Dharma-Seals-1.pdf (Thich Nhat Hanh)
• https://www.lionsroar.com/the-practice-of-looking-deeply/ (Thich Nhat Hanh)
• http://www.chinabuddhismencyclopedia.com/en/index.php/Understanding_The_Three_Dharma_Seals (Chinese term, Japanese term)

http://www.chinabuddhismencyclopedia.com/en/index.php?title=Dharma_seal

• http://www.abuddhistlibrary.com/Buddhism/G%20-%20TNH/TNH/The%20Three%20Dharma%20Seals/The%20Three%20Dharma%20Seals.htm
• https://www.nichirenlibrary.org/en/dic/Content/T/114 (shows Japanese term)
• http://www.stillwatermpc.org/dharma-topics/lifes-problems-and-the-three-dharma-seals-3/