Here is an index to topics in the Tama Resources forum that are related to Vintage Tamagotchis.

Growth and Character Charts
1997 P1/P2 Growth Charts All 5 versions
Angelgotchi Growth Chart Made By ilovetamas!
My Osutchi And Mesutchi Growth Chart, Made it myself
Osutchi & Mesutchi character names, graphical and pixelated images

Guides and Instruction Manuals
P1/P2 Review Info For Your Daily Life
Angelgotchi Guide By ilovetamas!
Tamagotchi Morino Guide..., A guide for Morino owners...