Here are various miscellaneous RCA documents that don't fall into the other categories listed above. The first four documents listed were prepared for presentation to the FCC between 1949 and 1950 in the FCC's evaluation of color television standards. RCA lost to CBS for this first round, but succeeded as part of the NTSC in 1953.
The other documents are explained individually, below.
RCA Labs 1949 A 15 x 20-Inch Projection Receiver for the RCA Color TV System
RCA Labs 1950 An Analysis of the Sampling Principles of the RCA Color TV System
RCA Labs 1950 An Experimental Determination of the Sideband Distribution in the RCA Color TV System
RCA Labs 1950 An Experimental UHF Television Converter
RCA 1951 Conservation of Critical Materials - No date but likely 1951. RCA's efforts to conserve critial materials due to the Korean War.