The RGB Sample of Intermediate BL Lacertae Objects von Laurent-Muehleisen, S. A, Kollgaard, R. I, Feigelson, E. D, Brinkmann, W, Siebert, J

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Radio-loud Active Galaxies in the Northern ROSAT All-Sky Survey. III. New Spectroscopic Identifications from the RASS-Green Bank BL Lacertae Survey von Laurent-Muehleisen, S. A, Kollgaard, R. I, Ciardullo, R, Feigelson, E. D, Brinkmann, W, Siebert, J

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Discovery of Inverse-Compton X-Rays in Radio Lobes von Feigelson, E. D, Laurent-Muehleisen, S. A, Kollgaard, R. I, Fomalont, E. B

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Radio constraints on the nature of BL Lacertae objects and their parent population von Kollgaard, R. I., Wardle, J. F. C., Roberts, D. H., Gabuzda, D. C.

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ASCA and Contemporaneous Ground-based Observations of the BL Lacertae Objects 1749+096 and 2200+420 (BL Lac) von Sambruna, Rita M, Ghisellini, Gabriele, Hooper, Eric, Kollgaard, R. I, Pesce, Joseph E, Urry, C. Megan

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Soft X-Ray Properties of a Complete Sample of Radio-selected BL Lacertae Objects von Urry, C. Megan, Sambruna, Rita M., Worrall, D. M., Kollgaard, R. I., Feigelson, Eric D., Perlman, Eric S., Stocke, John T.

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Radio morphology and parent population of X-ray selected BL Lacertae objects von Laurent-Muehleisen, S. A., Kollgaard, R. I., Moellenbrock, G. A., Feigelson, E. D.

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VLBI and VLA observations of intraday polarization variability in 0917+624 and 0954+658 von Gabuzda, D. C., Kochenov, P. YU, Kollgaard, R. I., Cawthorne, T. V.

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Intraday polarization variability outside the VLBI core of the active galactic nucleus 0716+714 von Gabuzda, D. C., Kochenov, P. YU, Cawthorne, T. V., Kollgaard, R. I.

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High dynamic range VLA observations of eight core-dominated quasars von Kollgaard, R. I., Wardle, J. F. C., Roberts, D. H.

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Is 1308+326 A BL Lacertae object or a quasar? von Gabuzda, D. C., Kollgaard, R. I., Roberts, D. H., Wardle, J. F. C.

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High-dynamic-range VLA observations of the quasar 3C 345 von Kollgaard, R. I., Wardle, J. F. C., Roberts, D. H.

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Radio Constraints on Relativistic Beaming Models of BL Lacertae Objects von Kollgaard, R. I., Palma, C., Laurent-Muehleisen, S. A., Feigelson, E. D.

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Milliarcsecond polarization structure of the superluminal quasar 3C 273 von ROBERTS, D. H, KOLLGAARD, R. I, BROWN, L. F, GABUZDA, D. C, WARDLE, J. F

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Parsec-Scale Radio Structure of Four X-Ray--selected BL Lacertae Objects von Kollgaard, R. I., Gabuzda, D. C., Feigelson, E. D.

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A Search for Optically Quiet Quasars von Kollgaard, R. I., Feigelson, E. D., Laurent-Muehleisen, S. A., Spinrad, H., Dey, A., Brinkmann, W.

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Multiwavelength monitoring of the BL Lacertae object PKS 2155-304. 3: Ground-based observations in 1991 November von Courvoisier, T. J.-L., Blecha, A., Bouchet, P., Bratschi, P., Carini, M. T., Donahue, M., Edelson, R., Feigelson, E. D., Filippenko, A. V., Glass, I. S.

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Relativistic jets and the nature of BL Lacertae objects von Kollgaard, R.I.

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Determining the Fraction of Intrinsic C IV Absorption in Quasi-stellar Object Absorption-Line Systems von Richards, Gordon T, York, Donald G, Yanny, Brian, Kollgaard, Ronald I, Laurent-Muehleisen, S. A, Vanden Berk, Daniel E

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Radio-loud active galaxies in the northern ROSAT All-Sky Survey: I. Radio identifications von Laurent-Muehleisen, S. A., Kollgaard, R. I., Ryan, P. J., Feigelson, E. D., Brinkmann, W., Siebert, J.

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