The First Measured Century: Book: Section 10.2
Here's why the 2018 Senate election will be crucial for President Trump and his Democratic foes - Los Angeles Times
Top 10 US Senate races to watch during Nov. 8 midterm elections
How do major political parties split control of Congress? - U.S. Embassy & Consulates in Italy
House control still undecided, Democrats celebrate Senate win
Midterm Senate elections 2022: Democrats keep majority
Chart: Republicans Projected To Take House, Senate Still a Toss-up | Statista
A Blue Nevada Means Democrats Will Keep Control Of The Senate | FiveThirtyEight
The Republican Senate edge – Sabato's Crystal Ball
Who Will Control The House And Senate? Here's What We Can Say At 4:30 a.m. | FiveThirtyEight
Balance of Power in the Senate | Bloomberg Government
Why Georgia's seat matters for 2024: Democrats face a tough map
Charted: The partisan battle for state Senates
Party switch by Jeffries takes West Virginia Senate to 31 Republicans | News, Sports, Jobs - News and Sentinel
United States Senate elections, 2016 - Ballotpedia
CNN's key Senate races for the 2018 midterm elections | CNN Politics
The Senate seats most likely to flip parties in November - The Washington Post
How the 2 U.S. Senate races in Georgia will shape Biden's presidency | CBC News
The Republican Senate edge – Sabato's Crystal Ball
The Senate is now very much in play in 2018 | CNN Politics
Can Democrats Win 52 Senate Seats And Kill The Filibuster? | FiveThirtyEight
US midterms: The 10 key races that will decide fate of the Senate | US Midterm Elections 2022 News | Al Jazeera
House seats rarely flip from one party to the other | Pew Research Center
