Uitmeting van den sterrenhoop G.C. 4410, zoowel door rechtstreeksche waarneming, als op fotografische platen / door Albert Antonie NijlandThe proper motion and the distance of the Praesepe cluster / Willem Jan Klein WassinkEffectieve golflengten en photographische magnituden van sterren in h en x persei / door Pieter Theodorus OosterhoffObservational evidence of activity in galaxies : proceedings of the 121st Symposium of the International Astronomical Union, held in Byurakan, Armenia, U.S.S.R., June 3-7, 1986 / ed. by E.Ye. Khachikian, K.J. Fricke and J. MelnickStructure and dynamics of elliptical galaxies : proceedings of the 127th Symposium of the International Astronomical Union, held in Princeton U.S.A., May 27-31, 1986 / ed. by Tim de ZeeuwHI rotation curves of spiral galaxies / Kornelis BegemanThe Harlow-Shapley symposium on globular cluster systems in galaxies : proceedings of the 126th symposium of the International Astronomical Union, held in Cambridge, Massachusetts, U.S.A., August 25-29, 1986 / ed. by Jonathan E. Grindlay and A.G.Davis PhilipTowards understanding galaxies at large redshift : proceedings of the fifth workshop of the advanced school of astronomy of the Ettore Majorana Centre for Scientific Culture, Erice, Italy, juni 1-10, 1987 / ed. by Richard G. Kron and Alvio RenziniCooling flows in clusters and galaxies / ed. by A.C. FabianInvestigations of binary galaxies / Domingos Sávio de Lima SoaresBroad emission line profiles in active galactic nuclei / Giovanna Maria StirpeStellar luminosity functions as probes of star formation history / Kenneth John MighellA high resolution hydrogen line survey of Messier 31 / [by] Elias BrinksThe structure of the Spiral Arms in M51 and M83 : an observational study / Remond Paulus Johannes TilanusA study of extreme IRAS galaxies / Albertus Casper van den BroekDynamics of galaxies and their molecular cloud distributions : proceedings of the 146th Symposium of the International Astronomical Union, held in Paris, France, June 4-9, 1990 / ed. by F. Combes and F. CasoliThe Magellanic Clouds : proceedings of the 148th Symposium of the International Astronomical Union, held in Sydney, Australia, July 9-13, 1990 / ed. by Raymond Haynes and Douglas MilneThe interstellar disk-halo connection in galaxies : proceedings of the 144th symposium of the International Astronomical Union, held in Leiden, The Netherlands, June 18-22, 1990 / ed. by Hans BloemenVreemde bewegingen in simpele sterrenstelsels / P.T. de ZeeuwClusters and superclusters of galaxies / ed. by A.C. FabianDark and visible matter in spiral galaxies / Arend Hendrik BroeilsVelocity fields and substructure in the outer regions of rich clusters of galaxies / Michiel Pieter van HaarlemMagnetic relaxation in active galactic nuclei / Mark de VriesNeutral hydrogen in nearby spiral galaxies holes and high velocity clouds / Jurjen Jan KamphuisGalactic bulges : proceedings of the 153th Symposium of the International Astronomical Union, held in Ghent, Belgium, August 17-22, 1992 / ed. by Herwig Dejonghe and Harm J. HabingMulti-wavelength continuum emission of AGN : proceedings of the 159th symposium of the International Astronomical Union, held in Geneva, Switzerland, August 30-September 3, 1993 / ed. by T.J.-L. Courvoisier and A. BlechaExtinction studies of spiral galaxies / Jan Edwin HuizingaVelocity profiles and dynamical modeling of galaxies / Roeland Paul van der MarelCosmological aspects of X-ray clusters of galaxies / ed. by Waltraut C. SeitterStructure and dynamics of elliptical galaxies / author: P.T. de ZeeuwFormation and evolution of clusters of galaxies and voids / Eelco van KampenThe dynamics of rich galaxy clusters / Roland Henrik den HartogStructure and properties of nearby galaxies : [proceedings] / International Astronomical Union, held in Bad Münstereifel, F. R. G., August 22-26, 1977 ; edited by Elly M. Berkhuijsen and Richard WielebinskiSpiral galaxies : the light and color distributions in the optical and near-infrared / Roelof Sybe de JongStructure and kinematics of two nearby disc galaxies / Pieter Samuel MulderGalaxy formation / ed. by J. Silk and N. Vittorio = Formazione delle galassie / a cura di J. Silk e N. VittorioStability of flattened galaxy models / Franciscus Helenus Antonius RobijnThe opacity of spiral disks / ed. by Jonathan I. Davies and David BursteinThe stellar kinematics of galactic disks / Roelof BottemaGas in distant radio galaxies : probing the early universe / Robert van Ojik