Service Parts Identification

[c1971]

Hi all, I have a 1968 c10 and am trying to learn what options my truck left the factory with. Some are obvious, others are not and I would love to see some pics of what came with.
model CS10704
4 20AC-4spd trans
4 80BA-positraction axle 411R
4F60MA-HD front spring
4T60AA-heavy duty battery
4D36AB-non glare mirror
4V0LAA-heavy duty radiator
4K79AB-42 amp delco gen
9912GC-publication unit
9910AD-label unit
9632WP-radio PP unit
9868AA- cigarette lighter
paint-paint special
4H04CA-rear axle 411 ratio
4F51AA-frt rear shock abs
4G50BA- hd rear spring
4A97AA- spare whl lock eq
4D14AA-front arm rest
4P13AA-sm wheel carrier
9912FA-publication unit
9907AB-tag unit
9627CA-spark plug unit
9914AA-consignge caution
9939AA-horn unit
9749CA-lift gate unit

So please if any one has any info, let me know. What I do know is that my truck was originally purchased by Boro of Bowie Maryland. It is a short step side 1/2 ton. Safety yellow. Original engine is 250 with the SM465 4 spd. 411 posi rear, polished trim around grill and eyebrows, painted bumper. Any pics of an old truck like mine would be appreciated