diff --git a/en-us/video_sources/course02-authoring_concepts/codeblock.mp4 b/en-us/video_sources/course02-authoring_concepts/codeblock.mp4
new file mode 100755
index 00000000..67033caf
Binary files /dev/null and b/en-us/video_sources/course02-authoring_concepts/codeblock.mp4 differ
diff --git a/en-us/video_sources/course02-authoring_concepts/concept.mp4 b/en-us/video_sources/course02-authoring_concepts/concept.mp4
new file mode 100755
index 00000000..47ef078d
Binary files /dev/null and b/en-us/video_sources/course02-authoring_concepts/concept.mp4 differ
diff --git a/en-us/video_sources/course02-authoring_concepts/dl.mp4 b/en-us/video_sources/course02-authoring_concepts/dl.mp4
new file mode 100755
index 00000000..27ad98bc
Binary files /dev/null and b/en-us/video_sources/course02-authoring_concepts/dl.mp4 differ
diff --git a/en-us/video_sources/course02-authoring_concepts/fig.mp4 b/en-us/video_sources/course02-authoring_concepts/fig.mp4
new file mode 100755
index 00000000..6a04589a
Binary files /dev/null and b/en-us/video_sources/course02-authoring_concepts/fig.mp4 differ
diff --git a/en-us/video_sources/course02-authoring_concepts/menucascade.mp4 b/en-us/video_sources/course02-authoring_concepts/menucascade.mp4
new file mode 100755
index 00000000..8fff6254
Binary files /dev/null and b/en-us/video_sources/course02-authoring_concepts/menucascade.mp4 differ
diff --git a/en-us/video_sources/course02-authoring_concepts/note.mp4 b/en-us/video_sources/course02-authoring_concepts/note.mp4
new file mode 100755
index 00000000..dd195212
Binary files /dev/null and b/en-us/video_sources/course02-authoring_concepts/note.mp4 differ
diff --git a/en-us/video_sources/course02-authoring_concepts/section.mp4 b/en-us/video_sources/course02-authoring_concepts/section.mp4
new file mode 100755
index 00000000..778cd2c8
Binary files /dev/null and b/en-us/video_sources/course02-authoring_concepts/section.mp4 differ
diff --git a/en-us/video_sources/course02-authoring_concepts/table.mp4 b/en-us/video_sources/course02-authoring_concepts/table.mp4
new file mode 100755
index 00000000..80d125c3
Binary files /dev/null and b/en-us/video_sources/course02-authoring_concepts/table.mp4 differ
diff --git a/en-us/video_sources/course03-authoring_tasks/task_1.mp4 b/en-us/video_sources/course03-authoring_tasks/task_1.mp4
new file mode 100755
index 00000000..ddf3e0c3
Binary files /dev/null and b/en-us/video_sources/course03-authoring_tasks/task_1.mp4 differ
diff --git a/en-us/video_sources/course03-authoring_tasks/task_2.mp4 b/en-us/video_sources/course03-authoring_tasks/task_2.mp4
new file mode 100755
index 00000000..b80c117f
Binary files /dev/null and b/en-us/video_sources/course03-authoring_tasks/task_2.mp4 differ
diff --git a/en-us/video_sources/course03-authoring_tasks/task_3.mp4 b/en-us/video_sources/course03-authoring_tasks/task_3.mp4
new file mode 100755
index 00000000..dd51d137
Binary files /dev/null and b/en-us/video_sources/course03-authoring_tasks/task_3.mp4 differ
diff --git a/en-us/video_sources/course03-authoring_tasks/task_4.mp4 b/en-us/video_sources/course03-authoring_tasks/task_4.mp4
new file mode 100755
index 00000000..728c9592
Binary files /dev/null and b/en-us/video_sources/course03-authoring_tasks/task_4.mp4 differ
diff --git a/en-us/video_sources/course03-authoring_tasks/task_5.mp4 b/en-us/video_sources/course03-authoring_tasks/task_5.mp4
new file mode 100755
index 00000000..11444b21
Binary files /dev/null and b/en-us/video_sources/course03-authoring_tasks/task_5.mp4 differ
diff --git a/en-us/video_sources/course03-authoring_tasks/task_6.mp4 b/en-us/video_sources/course03-authoring_tasks/task_6.mp4
new file mode 100755
index 00000000..1dc5b199
Binary files /dev/null and b/en-us/video_sources/course03-authoring_tasks/task_6.mp4 differ
diff --git a/en-us/video_sources/course03-authoring_tasks/task_7.mp4 b/en-us/video_sources/course03-authoring_tasks/task_7.mp4
new file mode 100755
index 00000000..37e8e29a
Binary files /dev/null and b/en-us/video_sources/course03-authoring_tasks/task_7.mp4 differ
diff --git a/en-us/video_sources/course03-authoring_tasks/task_8.mp4 b/en-us/video_sources/course03-authoring_tasks/task_8.mp4
new file mode 100755
index 00000000..2e360b03
Binary files /dev/null and b/en-us/video_sources/course03-authoring_tasks/task_8.mp4 differ
diff --git a/en-us/video_sources/course04-authoring_gloss_reference/glossentry.mp4 b/en-us/video_sources/course04-authoring_gloss_reference/glossentry.mp4
new file mode 100755
index 00000000..e393ce8a
Binary files /dev/null and b/en-us/video_sources/course04-authoring_gloss_reference/glossentry.mp4 differ
diff --git a/en-us/video_sources/course04-authoring_gloss_reference/glossgroup.mp4 b/en-us/video_sources/course04-authoring_gloss_reference/glossgroup.mp4
new file mode 100755
index 00000000..a3f98974
Binary files /dev/null and b/en-us/video_sources/course04-authoring_gloss_reference/glossgroup.mp4 differ
diff --git a/en-us/video_sources/course04-authoring_gloss_reference/properties.mp4 b/en-us/video_sources/course04-authoring_gloss_reference/properties.mp4
new file mode 100755
index 00000000..dce7d798
Binary files /dev/null and b/en-us/video_sources/course04-authoring_gloss_reference/properties.mp4 differ
diff --git a/en-us/video_sources/course04-authoring_gloss_reference/reference.mp4 b/en-us/video_sources/course04-authoring_gloss_reference/reference.mp4
new file mode 100755
index 00000000..334356d7
Binary files /dev/null and b/en-us/video_sources/course04-authoring_gloss_reference/reference.mp4 differ
diff --git a/en-us/video_sources/course05-using_dita_maps_and_bookmaps/booklists.mp4 b/en-us/video_sources/course05-using_dita_maps_and_bookmaps/booklists.mp4
new file mode 100755
index 00000000..43f2493b
Binary files /dev/null and b/en-us/video_sources/course05-using_dita_maps_and_bookmaps/booklists.mp4 differ
diff --git a/en-us/video_sources/course05-using_dita_maps_and_bookmaps/maps.mp4 b/en-us/video_sources/course05-using_dita_maps_and_bookmaps/maps.mp4
new file mode 100755
index 00000000..71253966
Binary files /dev/null and b/en-us/video_sources/course05-using_dita_maps_and_bookmaps/maps.mp4 differ
diff --git a/en-us/video_sources/course05-using_dita_maps_and_bookmaps/maps_vs_bookmaps.mp4 b/en-us/video_sources/course05-using_dita_maps_and_bookmaps/maps_vs_bookmaps.mp4
new file mode 100755
index 00000000..60214880
Binary files /dev/null and b/en-us/video_sources/course05-using_dita_maps_and_bookmaps/maps_vs_bookmaps.mp4 differ
diff --git a/en-us/video_sources/course05-using_dita_maps_and_bookmaps/reltable.mp4 b/en-us/video_sources/course05-using_dita_maps_and_bookmaps/reltable.mp4
new file mode 100755
index 00000000..0ea623fc
Binary files /dev/null and b/en-us/video_sources/course05-using_dita_maps_and_bookmaps/reltable.mp4 differ
diff --git a/en-us/video_sources/web_authoring/webauthoring1.mp4 b/en-us/video_sources/web_authoring/webauthoring1.mp4
new file mode 100755
index 00000000..47549dda
Binary files /dev/null and b/en-us/video_sources/web_authoring/webauthoring1.mp4 differ
diff --git a/en-us/video_sources/web_authoring/webauthoring2.mp4 b/en-us/video_sources/web_authoring/webauthoring2.mp4
new file mode 100755
index 00000000..4a496676
Binary files /dev/null and b/en-us/video_sources/web_authoring/webauthoring2.mp4 differ
diff --git a/en-us/video_sources/web_authoring/webauthoring3.mp4 b/en-us/video_sources/web_authoring/webauthoring3.mp4
new file mode 100755
index 00000000..ced075e4
Binary files /dev/null and b/en-us/video_sources/web_authoring/webauthoring3.mp4 differ