Stinker Pinker and Stiffy Byng

Stiffy Byng asks Stinker Pinker The Code of the Woosters 4, 13; Stiff Upper Lip, Jeeves 15, 24
Stiffy Byng is engaged to Stinker Pinker The Code of the Woosters 4, 8, 9, 10, 13, 14; Stiff Upper Lip, Jeeves 3, 9, 16, 20, 22, 24
Stinker Pinker refuses Stiffy Byng The Code of the Woosters 4
Stiffy Byng is in love with Stinker Pinker The Code of the Woosters 10; Stiff Upper Lip, Jeeves 19
Stiffy Byng puts up to stealing Stinker Pinker Stiff Upper Lip, Jeeves 3, 4
Stiffy Byng coaches Stinker Pinker Stiff Upper Lip, Jeeves 10
Stinker Pinker worries about Stiffy Byng Stiff Upper Lip, Jeeves 19
Stinker Pinker means to marry Stiffy Byng Stiff Upper Lip, Jeeves 21
Stiffy Byng is married to Stinker Pinker Much Obliged, Jeeves 7; Aunts Aren't Gentlemen 15

They deal with each other in The Code of the Woosters 4, 5, 8, 9, 10, 11, 13, 14; Stiff Upper Lip, Jeeves 3, 4, 9, 10, 15, 16, 19, 20, 21, 22, 24; Much Obliged, Jeeves 7; Aunts Aren't Gentlemen 15.

Scenes they share

Stinker climbs in by the balcony with Oates’s helmet, is reconciled with Stiffy, and is told that Bertie will help with the cow-creamer scheme at midnight.Chapter 8, Stiffy's room
Gussie, clutching Emerald's ham sandwiches, declares her his true love and Madeline heartless; Stiffy and Stinker tell Bertie to keep clear of Sir Watkyn, and when Stiffy warns Gussie that Spode is after him he bolts straight into Spode.Chapters 14–15, the yew alley
Back in the drawing-room Bertie ponders how to approach Pop Bassett about the statuette when Spode comes in.Chapters 17–22, the Totleigh drawing-room

Every dealing, in order

The Code of the Woosters

Chapter 4Stiffy Byng asks to pinch the helmet of Oates Stinker Pinker
Chapter 4Stiffy Byng is secretly engaged to Stinker Pinker
Chapter 4Stinker Pinker vetoed the boat and tramp schemes of Stiffy Byng (earlier)
Chapter 5Stiffy Byng wants the cow-creamer handed to Stinker Pinker
Chapter 8Stiffy Byng breaks off her engagement to Stinker Pinker (earlier)
Chapter 8Stiffy Byng is reconciled with Stinker Pinker
Chapter 8Stiffy Byng is engaged to Stinker Pinker
Chapter 8Stiffy Byng hides the blackmail from Stinker Pinker
Chapter 9Stiffy Byng is secretly engaged to Stinker Pinker
Chapter 9Stiffy Byng defends Stinker Pinker
Chapter 10Stiffy Byng wants to marry Stinker Pinker
Chapter 10Stiffy Byng loves Stinker Pinker
Chapter 10Stiffy Byng is engaged to Stinker Pinker
Chapter 11Stiffy Byng forgot to warn of the change of plan Stinker Pinker
Chapter 13Stiffy Byng is engaged to Stinker Pinker
Chapter 13Stiffy Byng asked to pinch the helmet Stinker Pinker (earlier)
Chapter 14Stiffy Byng is engaged to Stinker Pinker

Stiff Upper Lip, Jeeves

Chapter 3Stinker Pinker is engaged to Stiffy Byng
Chapter 3Stiffy Byng egged on to pinch Oates's helmet Stinker Pinker (earlier)
Chapter 4Stiffy Byng persuaded to steal Oates's helmet Stinker Pinker (earlier)
Chapter 9Stiffy Byng is engaged to Stinker Pinker
Chapter 9Stiffy Byng got to preach a sermon on Naboth's Vineyard at Stinker Pinker (earlier)
Chapter 10Stiffy Byng coaches for his ordeal at the school treat Stinker Pinker
Chapter 15Stiffy Byng calls on to save Gussie Stinker Pinker
Chapter 15Stiffy Byng leads off to tend his nose Stinker Pinker
Chapter 16Stiffy Byng is engaged to Stinker Pinker
Chapter 16Stiffy Byng goes to fetch Stinker Pinker
Chapter 19Stiffy Byng is in love with Stinker Pinker
Chapter 19Stinker Pinker worries about the threat made by Stiffy Byng
Chapter 20Stinker Pinker is engaged to Stiffy Byng
Chapter 20Stinker Pinker goes to tell the good news to Stiffy Byng
Chapter 21Stinker Pinker wants to marry Stiffy Byng
Chapter 22Stiffy Byng is to marry Stinker Pinker
Chapter 24Stiffy Byng is to marry Stinker Pinker
Chapter 24Stiffy Byng means to enlist instead Stinker Pinker

Much Obliged, Jeeves

Chapter 7Stiffy Byng is married to Stinker Pinker

Aunts Aren't Gentlemen

Chapter 15Stiffy Byng is married to Stinker Pinker