The map in the situation room uses the Peter's Projection. In the Season 2 episode, Somebody's Going to Emergency, Somebody's Going to Jail (2001) CJ meets with a group that wants the White House to encourage use of the Peter's Projection.
When Donna (Janel Moloney) walks into Josh (Bradley Whitford)'s room and find he's been up all night, he is wearing a Wesleyan University T-shirt. Josh didn't go to Wesleyan, he went to Harvard and Yale; Bradley Whitford went to Wesleyan. This also occurs in Celestial Navigation when Josh has a coffee mug with "Wesleyan" on it.
As the Special Prosecutor (Nicholas Pryor) reads off the names of the people being subpoenaed, he uses everybody's full name, but he nevertheless says "Toby Zachary Ziegler" instead of "Tobias Zachary".
While Clement Rollins (Nicholas Pryor) reads off the legal names of the White House staff being subpoenaed, he lists Toby (Richard Schiff)'s legal name as "Toby Zachary Ziegler." Later, during his deposition with Freedom Watch over Andrea Wyatt (Kathleen York) concealing her pregnancy during the 2002 election, Toby states his full name is "Tobias Zachary Ziegler"