Public domain:
- https://commons.wikimedia.org/wiki/File:August_2007,_Forest_destruction_near_Helsinki_airport.jpg
- https://commons.wikimedia.org/wiki/File:Grey_flecked_speckled_clean_smooth_brick_pattern_seamless_tiled_floor_paving_texture.jpg
- https://commons.wikimedia.org/wiki/File:United_States_one_dollar_bill,_reverse.jpg
- https://commons.wikimedia.org/wiki/File:Texture_P7180164.JPG
- https://commons.wikimedia.org/wiki/File:Sky_Clouds_and_Atmosphere.jpg
- https://commons.wikimedia.org/wiki/File:AK-47_type_II_Part_DM-ST-89-01131.jpg
- https://commons.wikimedia.org/wiki/File:Old_Paper_texture.jpg
- https://commons.wikimedia.org/wiki/File:Operation_Upshot-Knothole_-_Badger_001.jpg
- https://commons.wikimedia.org/wiki/File:Ashes_lava_grunge_volcanic.jpg

Fonts / SIL Open Font License:
- https://fonts.google.com/specimen/Loved+by+the+King/license
- https://fonts.google.com/specimen/Courier+Prime/license

Zitatrecht:
- Kevin from "Hello, Kevin - A Dental Journey" by Spacepigs