- Administration.
Retrieved 22
September 2023.
Nieuhof (1665).
SHLWSA (7 Sept. 2020). Huai'an (5 Feb. 2018).
SHLWSA (3 Sept. 2020).
Danielson (2008). "Sister Cities"...
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waves against the levees. Huai'an (5 Feb. 2018).
SHLWSA (3 Sept. 2020). Huai'an (30 Jan. 2018).
SHLWSA (7 Sept. 2020).
Danielson (2008).
Hongze (2008)...