References:
Cover Letter Modified Block - https://www.allbusinesstemplates.com/page/semi-block-letter-formatpdf/
Recommendation Letter - https://www.slideshare.net/BenjaminRhodes/letter-ofrecommendationsouthwest
Interview follow up letter - https://edu.gcfglobal.org/en/interviewingskills/following-up-after-aninterview/1/
Resignation letter 3 - https://www.monsterindia.com/career-advice/best-resignation-letter-examples/
Resignation letter 1 - https://anthonywebv.blogspot.com/2021/09/model-of-resignation-letter-samplefree.html
Resignation letter 2 - https://www.examples.com/business/resignation-letter-business/professionalresignation-letters.html
Memorandum
Request memo - https://depedsouthcotabato.org/memorandum-request-to-conduct-a-productpresentation-of-beneficial-life-insurance-company-inc/
Request memo2 - https://www.hoopa-nsn.gov/agenda-request-deadline-memo-03-08-2021/
Confirmation memo 1 - https://pdfsimpli.com/forms/form-type/letter/sample-business-confirmationletter/