5 Jobs that no Longer Exist Today Infographic – https://grapact.com/5-jobs-that-no-longer-exist-today/

https://www.thevintagenews.com/2016/09/16/pinsetters-young-boys-stayed-midnight-manually-reset-bowling-pins/

https://www.bbc.com/news/uk-england-35840393

A Brief History of Home Milk Delivery Service

https://www.stanpacnet.com/a-brief-history-of-home-milk-delivery-service/

https://www.abetteranswer.com/blog/2014/07/the-history-of-the-telephone-operator/

https://www.sciencemuseum.org.uk/objects-and-stories/medicine/blood