A look at how states fill vacant Senate seats | Pew Research Center
Here's why the 2018 Senate election will be crucial for President Trump and his Democratic foes - Los Angeles Times
The Republican Senate edge – Sabato's Crystal Ball
What's Going On in This Graph? | Senate Representation by State - The New York Times
If there were three Senate seats per state, with one Senate election in each state every two years : r/imaginaryelections
U.S. Senate has fewest split delegations since direct elections began | Pew Research Center
Mapped: The Age of U.S. Senators, by State
Midterm 2022: How many senators are there per state and how many members of the House? - AS USA
ALL SENATORS ARE EQUAL, BUT THEIR CLASSES AREN'T – Sabato's Crystal Ball
With Control of the Senate in Play, These Are the Races to Watch - The New York Times
What is the difference between the Senate and the House of Representatives? - Answers
Can Democrats Win The Senate By Adding States? It's Been Done Before | FiveThirtyEight
Chapter Congress. Senate & House 2 Senators per state…they represent the entire state House seats distributed based on population…435 districts composed. - ppt download
These midterm races could determine who wins the House, Senate in 2022 - The Washington Post
Democrats can keep Senate control with these six crucial races - The Washington Post
The Senate seats most likely to flip in November - The Washington Post