The answer to “History book sections” in the LA Times Crossword

"Hot diggity dog!" 5 ltr "I think you're __ something" 4 ltr "It's Always Something" memoirist Gilda 6 ltr "Quit yapping!" 6 ltr "Rules __ rules" 3 ltr "Today" producer 7 ltr "Yellow Odalisque" painter Matisse 5 ltr "hahahahahaha" 4 ltr Adept 4 ltr Bitty bits 5 ltr Blessing response 4 ltr Blood bank fluids 4 ltr Cabbage side 4 ltr Camera part 4 ltr Capital of 9-Down 6 ltr Cheer team feeling 3 ltr Close by 4 ltr Company abbr. 3 ltr Corn core 3 ltr Country between the Zambezi and Limpopo rivers 8 ltr Cypress or cedar 4 ltr Do a bit of grapplin' 6 ltr Dragon's mouth, e.g. 6 ltr Fault 4 ltr Fig. in a QB's completion percentage 3 ltr Foal's father 4 ltr Genetic material 3 ltr Gillette razor 4 ltr Grey Goose rival 5 ltr Guardians, on a scoreboard 3 ltr Gymnast Korbut 4 ltr Indian tourist city with a mausoleum 4 ltr Instrument that makes the sound of adults talking in "Peanuts" cartoons 13 ltr Jewel box 6 ltr Jumbo suffix 4 ltr Kylo Ren's father in "Star Wars" 7 ltr Lee Child protagonist 7 ltr Like some cider 4 ltr Love, in Verona 5 ltr Many a Sunday talk show panelist 6 ltr Miss. neighbor 4 ltr Modern Persia 4 ltr Night school subj. 3 ltr Ocean fleet 6 ltr One skilled in routine deliveries? 15 ltr Overhauls that have lasting effects, or what can be found in this puzzle's circled letters 15 ltr Paddington, but not Waterloo 4 ltr Petro-Canada rival 4 ltr Pre-MBA hurdle 3 ltr Pretoria currency 4 ltr Realized 3 ltr San Francisco counterculture center of the 1960s 13 ltr Sandy shade 4 ltr Schlepped 5 ltr Second chances for students 7 ltr Sink accumulation 6 ltr Smug cry 3 ltr Some classic muscle cars 3 ltr Starchy root in poi 4 ltr