LEGO Assigned Form Numbers - Form Number Reference

1968
Thumbnail for 333 Delivery Truck Instructions (Canadian)
3180

333 Delivery Truck Instructions (Canadian)

3 pages
1969
Thumbnail for 080 Ambassador Set Instructions
3212

080 Ambassador Set Instructions

While the vast majority of LEGO Samsonite materials were slightly altered for the US, the 080 wasn't.
9 pages
1968
Thumbnail for 150, 151, 154, 155 Instructions
3230

150, 151, 154, 155 Instructions

Older 150/151 boxes.
3 pages
1969
Thumbnail for 150, 151, 154, 155 Instructions
3230

150, 151, 154, 155 Instructions

Hard to say exactly when this one showed up, but since the 111 Starter Train Set uses the older boxes for 150/151, I place this one around 1969 for North America.
3 pages
1969
Thumbnail for Idea Book/Brochure (1969)
3369-US

Idea Book/Brochure (1969)

1969 version. Updated in 1970. Notice mix of grey/black tires especially on the 001 Gears image. Dated via release of 044 set and retirement of 041 set.
9 pages
1970
Thumbnail for Idea Book/Brochure (1970)
3449-US

Idea Book/Brochure (1970)

Updated version for 1970 season.
9 pages