| Brand used while waiting for a period | 37 |
| Brand used soon after a great night | 35 |
| Brand that shows whether you're with child | 46 |
| Brand for nervous couples, briefly | 34 |
| "Big Moment. Be Sure" brand | 37 |
| Like six of one and half a dozen of another | 43 |
| Like a joule and a watt-second, e.g. | 36 |
| Where it's always zero degrees | 34 |
| Where it never gets above zero degrees? | 39 |
| Line that extends for 24,902 miles | 34 |
| Prefix meaning "the same" | 35 |
| Latin counterpart of "iso-" | 37 |
| Another prefix meaning "the same" | 43 |
| One of the Big Three in credit reports | 38 |
| Play in which Daniel Radcliffe bared all | 40 |
| 1975 Tony-winning play about a stableboy | 40 |
| Unforgettable time for historians | 33 |
| Monroe's ___ of Good Feeling | 32 |
| "The ___ of Good Feelings" | 36 |
| "The Big Band," for one | 33 |
| Major division of geological time | 33 |
| Category in pitching's Triple Crown | 39 |
| Word after many presidents' names | 37 |
| The Thatcher years, e.g., in Britain | 36 |
| The Golden Age of Television, for one | 37 |
| Stretch named for a leader, perhaps | 35 |
| Stat that's good when it's low | 38 |
| Sports stat that's best when low | 36 |
| Period in a historian's book | 32 |
| Many a presidential term, historically | 38 |
| Bob Gibson's was 1.12 in 1968 | 33 |
| Baseball stat that is better when lower | 39 |
| A one-two-three inning makes it go down | 39 |
| ''Flapper'' follower | 36 |
| ''Common'' chapter of history | 45 |
| ___ of Good Feelings (Monroe years) | 35 |
| ___ of Good Feeling (Monroe years) | 34 |
| Word after progressive or dead-ball | 35 |
| When it's low, it's good | 32 |
| Unsuccessful '70s-'80s cause | 36 |
| Time, in this puzzle's theme | 32 |
| Time span for a team when an athlete thrives | 44 |
| Time of "Good Feeling" | 32 |
| The time of psychedelic rock music, e.g | 39 |
| The formula for it has IP in the denominator | 44 |
| Supermarket brand "for tough moms" | 44 |
| Steroid or deadball follower, in baseball lore | 46 |
| Steinem or Seaver concern: Abbr. | 32 |
| Stat that's good when under 3.00 | 36 |
| Stat that's better when lower | 33 |
| Stat that's better if it's lower | 40 |
| Stat that's amazing in the twos | 35 |
| Stat that may be "adjusted" | 37 |
| Stat that is generally lower in the NL | 38 |
| Stat that figures in the Cy Young Award | 39 |
| Stat for Babe Ruth, but only early on | 37 |
| Source of bullpen bragging rights: Abbr. | 40 |
| Silent ___ (time before the talkies) | 36 |
| Silent ___ (time before talkies) | 32 |
| Setting down the side in order makes it go down | 47 |
| Roaring Twenties or Clinton years | 33 |
| Revolution Renaissance "New ___" | 42 |
| Retiring the side in order makes it go down | 43 |
| Reconstruction ___ (1865–1877) | 34 |
| Queens of the Stone Age: "___ Vulgaris" | 49 |
| Queens of the Stone Age "___ Vulgaris" | 48 |
| Proposal supported by Martha Griffiths | 38 |
| Proposal still not ratified in 1982 | 35 |
| Procter & Gamble laundry brand | 34 |
| President Monroe's ____ of Good Feelings | 44 |
| Period sometimes named for a statesman | 38 |
| Period sometimes named after a president | 40 |
| Period marked by distinctive character | 38 |
| Park-adjusted ___ (baseball stat) | 33 |
| Onetime feminist cause, for short | 33 |
| No. that should be as low as possible | 37 |
| Never-ratified women-related measure, for short | 47 |
| Monroe's "___ of Good Feeling" | 44 |
| Levenson's "In One ___ . . . " | 44 |
| It's good to have a low one on the hill | 43 |
| It's amazing if it's under 2 | 36 |
| Important stat to a pitching coach | 34 |
| History book discussion, perhaps | 32 |
| Historically low number for Mariano Rivera | 42 |
| Historian's specialty, perhaps | 34 |
| Good thing to keep low on a diamond | 35 |
| Good fig. for Maddux or Martinez | 32 |
| Gay Nineties or Roaring Twenties | 32 |
| Feminist's concern, for short | 33 |
| Feminist cause opposed by the LDS | 33 |
| Fanning someone makes it go down | 32 |
| Failed 70's-80's polit. cause | 37 |
| Detergent featuring 3x stain-fighting power | 43 |
| Dead-ball ___ (1900-1919 during baseball) | 41 |
| Cy Young's was 2.63, in brief | 33 |
| Cy Young Award voter's concern | 34 |
| Cy Young Award consideration, for short | 39 |
| Controversial issue's initials | 34 |
| Concern of an A.L. or N.L. pitcher | 34 |
| Christy Mathewson's was exactly 2 in 1907 | 45 |