Preparation of polyamides

Silver halide emulsion and silver halide photographic light-sensitive material

Black and white photothermographic material and image forming method

High bromide{111} tabular grain emulsions with improved dispersity

Black and white photothermographic material and image forming method

Silver halide photographic light-sensitive material, photographic emulsion, and mercapto group-containing polymer compound used for them

Silver halide emulsion and silver halide photographic material by use thereof

Silver-halide-containing photothermographic element for improved latitude