diff --git a/LICENSE.txt b/LICENSE.txt
index 61181e1..c43ff88 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,23 +1,66 @@
 Sounds
 
-Sounds licensed under CC by 3.0:
-SPDX-License-Identifier: CC-BY-SA-3.0
-rottewiler http://freesound.org/people/Tomlija/sounds/102547/
-terrier/random http://freesound.org/people/Anton/sounds/157322/
-pug http://freesound.org/people/bspiller5/sounds/180256/
-bichonfrise http://freesound.org/people/StephenSaldanha/sounds/121891/
+dogblocks_r.*.ogg (Rottweiler)
+source: http://freesound.org/people/Tomlija/sounds/102547/
+SPDX-License-Identifier: CC-BY-3.0
 
-the other sounds are licensed under CC0:
+dogblocks_p.*.ogg (Pug)
+source: http://freesound.org/people/bspiller5/sounds/180256/
+SPDX-License-Identifier: CC-BY-3.0
+
+dogblocks_bf.*.ogg (Bichon Frise)
+source: http://freesound.org/people/StephenSaldanha/sounds/121891/
+SPDX-License-Identifier: CC-BY-4.0
+
+dogblocks_b.*.ogg, dogblocks_dig.*.ogg, dogblocks_dug.ogg, dogblocks_ft.*.ogg,
+dogblocks_gs.*.ogg, dogblocks_lb.*.ogg, dogblocks_place.ogg,
+dogblocks_walk.*.ogg, dogblocks_whine.ogg (the other used sounds)
 SPDX-License-Identifier: CC0-1.0
 
+Unused sounds in the tmp subfolder (terrier/random)
+source: http://freesound.org/people/Anton/sounds/157322/
+SPDX-License-Identifier: CC-BY-4.0
+
 
 Textures
 
-The doge texture is from https://i.imgur.com/81qyN1y.jpg, where no license is
-specified.
+dogblocks_dog_b.png
+source: https://de.m.wikipedia.org/wiki/Datei:Beagle_puppy_portrait.jpg
+SPDX-License-Identifier: CC-BY-2.0
 
-The other textures are licensed under "CC BY-SA" according to Dogzilla131.
-The version of this CC-BY-SA license has not been specified.
+dogblocks_dog_bf.png
+source: https://commons.wikimedia.org/wiki/File:Bichon_frise.JPG
+SPDX-License-Identifier: CC-BY-SA-3.0
+also licensed under Wikipedia's public domain
+
+dogblocks_dog_ft.png
+source: https://commons.wikimedia.org/wiki/File:AplikaFoxSimarko2.jpg
+License: Wikipedia's public domain
+
+dogblocks_dog_gs.png
+source: https://commons.wikimedia.org/wiki/File:060414_Puppy.jpg
+License: Wikipedia's public domain
+
+dogblocks_dog_lb.png
+source: https://commons.wikimedia.org/wiki/File:Black_Labrador_Pup.jpg
+SPDX-License-Identifier: CC-BY-3.0
+
+dogblocks_dog_p.png
+source: https://commons.wikimedia.org/wiki/File:Alert_Pug_Puppy.jpg
+SPDX-License-Identifier: CC-BY-2.0
+
+dogblocks_dog_r.png
+source: https://commons.wikimedia.org/wiki/File:Lluy.jpg
+SPDX-License-Identifier: CC-BY-SA-3.0
+
+dogblocks_dog_d.png (Doge image)
+source: https://kabosu112.exblog.jp/iv/detail/?s=9944144&i=201002%2F12%2F90%2Fa0126590_22301391.jpg
+author: Atsuko Sato
+The license of the doge image is unclear.
+
+dogblocks_dog_ld.png, dogblocks_fur_*.png
+The image source of the original labradoodle and fur textures is unknown.
+The original DogBlocks mod by Dogzilla131 has licensed them under "CC BY-SA".
 
 
 Code