<https://www.thesikhencyclopedia.com/#person>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.thesikhencyclopedia.com/sikh-scriptures-and-literature/writings-by-non-sikhs-on-sikhs-and-punjab/zafarnamah-i-ranjit-singh/>