diff --git a/release/datafiles/studiolights/world/city.exr b/release/datafiles/studiolights/world/city.exr
index ae97dcc2a63..d922066af8b 100644
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diff --git a/release/datafiles/studiolights/world/courtyard.exr b/release/datafiles/studiolights/world/courtyard.exr
index af78e5cd814..b70a0e77a5e 100644
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diff --git a/release/datafiles/studiolights/world/forest.exr b/release/datafiles/studiolights/world/forest.exr
index f3d923180b0..846b87d97c6 100644
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diff --git a/release/datafiles/studiolights/world/interior.exr b/release/datafiles/studiolights/world/interior.exr
index 3c9bb0ae30d..92d40ca2d89 100644
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diff --git a/release/datafiles/studiolights/world/license.txt b/release/datafiles/studiolights/world/license.txt
index 08f964fe9ec..457fd835059 100644
--- a/release/datafiles/studiolights/world/license.txt
+++ b/release/datafiles/studiolights/world/license.txt
@@ -1,3 +1,15 @@
-All HDRIs are licenses as CC0.
+All HDRIs are licensed as CC0.
 
 These were created by Greg Zaal (Poly Haven https://polyhaven.com).
+Originals used for each HDRI:
+- City: https://polyhaven.com/a/portland_landing_pad
+- Courtyard: https://polyhaven.com/a/courtyard
+- Forest: https://polyhaven.com/a/ninomaru_teien
+- Interior: https://polyhaven.com/a/hotel_room
+- Night: Probably https://polyhaven.com/a/moonless_golf
+- Studio: Probably https://polyhaven.com/a/studio_small_01
+- Sunrise: https://polyhaven.com/a/spruit_sunrise
+- Sunset: https://polyhaven.com/a/venice_sunset
+
+1K resolution of each was taken, and compressed with oiiotool:
+oiiotool input.exr --ch R,G,B -d float --compression dwab:300 --clamp:min=0.0:max=32000.0 -o output.exr
diff --git a/release/datafiles/studiolights/world/night.exr b/release/datafiles/studiolights/world/night.exr
index c833b13029f..a207d99da15 100644
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diff --git a/release/datafiles/studiolights/world/studio.exr b/release/datafiles/studiolights/world/studio.exr
index fdc7e5eade2..baf478da00a 100644
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diff --git a/release/datafiles/studiolights/world/sunrise.exr b/release/datafiles/studiolights/world/sunrise.exr
index 7734150e60c..985a9a56f84 100644
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diff --git a/release/datafiles/studiolights/world/sunset.exr b/release/datafiles/studiolights/world/sunset.exr
index 5a3e5a7c764..e86206eec24 100644
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