Picture 1: From Left, 1969-1970 Front Fender Lower Rear Mounting Bracket, attaches to Inner Splash Guard. these are LH and RH Specific, Stamped with either an L or an R on Originals.
Middle, 1969-1970 Dash Lower Main Frame to Side Wall mount Brackets. Bottom of Dash, Each Side.
Right, That is a Drum Brake Only, Front Brake Line Bracket for the Frame Rail.. Disc Brake Lines had their Brackets attached to the Brass Block on them. 1 Each Side.
Picture 2. 1969-1970 Power Disc Brake, Booster Support Bracket. Runs from the Lower RH Booster Stud at fire Wall to the Dash Frame, under the dash. Only P/D/B Cars had these.