For SOMA on the PC, SOMA Theta Lower Levels Map by SomaDeez.
Theta Labs - SOMA Guide - IGN
Theta laboratory SOMA Game Walkthrough - SOMA Guide
Theta Maintenance - SOMA Guide - IGN
Guide for SOMA - Site Tau
Theta Maintenance - SOMA Guide - IGN
Guide for SOMA - Theta Maintenance
Theta Maintenance - SOMA Guide - IGN
Theta walkthrough (second part) - Soma Wiki
Theta station, SOMA Game Walkthrough - SOMA Guide