1920 Design Competition (courtesy of the CMU Archives). Buggies/Teams (from left to right): (#1) Sigma Nu; (#2) Square and Compass; (#3) Kappa Sigma Rho; (#4) Delta Epsilon Omega; (#5) Theta Xi; (#6) Phi Epsilon Pi

1920 Design Competition (courtesy of the CMU Archives). Current speculation of Buggies/Teams (from left to right): (#1) Sigma Nu; (#2) Square and Compass; (#3) Kappa Sigma Rho; (#4) Delta Epsilon Omega; (#5) Theta Xi; (#6) Phi Epsilon Pi

1920 - Starting Line from the 1921 Thistle. Current speculation of Buggies/Teams (from left to right): (#4) Delta Epsilon Omega; (#7) Sigma Rho; (#6) Phi Epsilon Pi; (#3) Kappa Sigma Rho; (#12) Tau Gamma Phi; (#8) SAE; (#2) Square and Compass; (#1) Sigma Nu

1920 – Another angle of the Starting Line (courtesy of the CMU Archives). Current speculation of Buggies/Teams (from left to right): (#7) Sigma Rho; (#6) Phi Epsilon Pi; (#3) Kappa Sigma Rho; (#12) Tau Gamma Phi; (#8) SAE; (#2 – barely visible) Square and Compass; (#1 – barely visible) Sigma Nu; (no number) Xi Sigma Upsilon.

Starting Line printed in the June 1920 CIT Alumnus (from the CMU Archives). Buggies/teams include (from right to left): (#1) SigNu, (#2) Square-and-Compass, (#8) SAE, (#12) Tau Gamma Phi, (#3) Kappa Sigma Rho, (#6) Pi Epsilon Phi, (#7) Sigma Rho

Starting Line from the 05-19-1920 Tartan. Buggies/Teams (from left to right): (#5 – far left) Theta Xi; (#4) Delta Epsilon Omega; (#7) Sigma Rho; (#6) Phi Epsilon Pi; (#3) Kappa Sigma Rho; (#12) Tau Gamma Phi; (#8) SAE; (#2) Square and Compass; (#1) Sigma Nu

1921 – Photo of the Race in Action (courtesy of the CMU Archives). Identified Buggies: SigNu’s Toonerville Trolley (leftmost full buggy); Tau Gamma Phi’s #4 (front middle); SAE (far side of the road towards the back)

1921 – Parade of Buggies with Alpha Pi’s Rickshaw and Unknown Buggy #6 (courtesy of the CMU Archives)

1921 – Alpha Pi’s Rickshaw Buggy (from the 1922 Thistle)

1921 – DU’s Fish Buggy on Display (from the 1922 Thistle)

1921 – DU’s Fish Buggy on Display (courtesy of the CMU Archives)

The first turn in 1921, including the buggy on the far right flipping after having lost a wheel (from the 1922 Thistle; reprinted in better digital quality in the 1972 Buggy Book). Identified buggies include: Alpha Pi’s Rickshaw (far right; tipping over); Zeta Delta (#1 – middle); Tau Gamma Phi (#4; white buggy just left/behind #1, with its wheel likely on the far right of the photo); Sigma Nu’s Toonerville Trolley (trailing, looks like a house)

1921 – Iota Sigma Delta’s winning buggy, #18 (courtesy of the CMU Archives)

1921 – Iota Sigma Delta’s Winning Buggy with Team and Trophy (courtesy of the CMU Archives). The buggy appears to have the name “Catastrophy” written on it.

1921 Parade of Buggies (from the 1922 Thistle).

1921 Parade of Buggies (from the 05-03-1922 Tartan)

1921 – Another Angle on SigNu’s Toonerville Trolley (courtesy of the CMU Archives)

1921 – SigNu’s Toonerville Trolley (2nd in Design Competition) (from the 1922 Thistle)

1921 – SigNu’s Toonerville Trolley with “conductor” (courtesy of the CMU Archives)

1921 – Photo #1 from the Starting Line (courtesy of the CMU Archives). Identified Buggies: #4 (front left) – Tau Gamma Phi (became DTD in 1923); #7 – SigNu’s Toonerville Trolley; #16 - Phi Epsilon Pi; DU's Fish (extreme left next to #4, partially pictured)

1921 – Photo #2 from the Starting Line (courtesy of the CMU Archives). Identified Buggies: #4 – Tau Gamma Phi (became DTD in 1923) (front row, far left); Alpha Pi’s Rickshaw (front row, second from the right).; #1 – Zeta Delta (became PiKA in 1922) (front row, second from the left)

1921 – Photo #3 from the Starting Line (courtesy of the CMU Archives). Identified Buggies: #1 – Zeta Delta (front center); DU’s Fish Buggy (pushbar visible behind #11)