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This survey is a collection of various results and formulas by differentauthors on the areas (integrals) of five related processes, viz.\spacefactor=1000 Brownian motion, bridge, excursion, meander and double meander; for theBrownian motion and bridge, which take both positive and negative values, weconsider both the integral of the absolute value and the integral of thepositive (or negative) part. This gives us seven related positive randomvariables, for which we study, in particular, formulas for moments and Laplacetransforms; we also give (in many cases) series representations and asymptoticsfor density functions and distribution functions. We further study Wright'sconstants arising in the asymptotic enumeration of connected graphs; these areknown to be closely connected to the moments of the Brownian excursion area.The main purpose is to compare the results for these seven Brownian areas bystating the results in parallel forms; thus emphasizing both the similaritiesand the differences. A recurring theme is the Airy function which appears inslightly different ways in formulas for all seven random variables. We furtherwant to give explicit relations between the many different similar notationsand definitions that have been used by various authors. There are also some newresults, mainly to fill in gaps left in the literature. Some short proofs aregiven, but most proofs are omitted and the reader is instead referred to theoriginal sources.

Brownian excursion area, Wright's constants in graph enumeration, and other Brownian areas