Archub: Hygiene
Sanitation & Cleanliness [pdf] - by Hesperian Health Guides
How To Clean Practically Anything [ebook]
Cleaning Products
⚒ DIY Soap Like a Pro! [video - yt] Get 32 Bars From One Batch | HTME: Practical
⚒ Making Soap from EVERYTHING [video - yt] (Pigs, Plants, Potash, Plus more!) | HTME: Toiletries
Food Hygiene
Food Service Sanitation and Inspections I [pdf] - by US Army medical department
Food Service Sanitation and Inspections II [pdf] - by US Army medical department
Personal Hygiene
The Laundry Book [ebook] - The Definitive Guide to Caring for Your Clothes and Linens by Zach & Jerry Pozniak
Textile and Laundry in the Hotel Industry [ebook]
Hair Work [ebook] Self-instructor in the art of hair work, dressing hair, making curls, switches, braids, and hair jewelry of every description.
The Art of Perfumery [ebook] and Methods of Obtaining the Odors of Plants by Piesse
Other
Health on the Farm: A Manual of Rural Sanitation and Hygiene [ebook]
Communicable Diseases and Field Sanitation [pdf] - by US Army
Sterile Procedures [pdf] - by US Army
Wastewater Treatment [pdf] - by US Army medical department