From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
Continuing the geometric trend, here is one more.
Source Mike Warner
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
The name is totally random, but hey, it sounds good.
Source Atle Mo
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
This metal background pattern resembles a metal plate with rivets. Solid rivets on a metal plate.
Source V. Hartikainen
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
A pale olive green background with a seamless texture.
Source V. Hartikainen
A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
The image depicts a seamless pattern of pine tree leaves.
Source Yamachem
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
A white version of the very popular linen pattern.
Source Ant Ekşiler
Embossed lines and squares with subtle highlights.
Source Alex Parker
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle