We report on high-resolution measurements of the photoinduced

L_{1} M_{2}

and

L_{1} M_{3}

x-ray emission lines of

_{69}

Tm,

_{70}

Yb,

_{71}

Lu,

_{73}

Ta,

_{74}

_{75}

Re,

_{77}

Ir,

_{81}

Tl,

_{83}

Bi, and

_{95}

Am. From the linewidths of the measured transitions an accurate set of

M_{2}

and

M_{3}

level widths is determined assuming for the

L_{1}

level widths the values reported by Raboud [P.-A. Raboud

e t

a l .

, Phys. Rev. A 65, 022512 (2002)]. Furthermore, the present experimental

M_{2, 3}

data set is extended to

_{80}

Hg,

_{90}

Th, and

_{92}

U, using former

L_{1} M_{2, 3}

high-resolution x-ray emission spectroscopy measurements performed by our group. A detailed comparison of the

M_{2}

and

M_{3}

level widths determined in the present work with those recommended by Campbell and Papp [J. L. Campbell and T. Papp, At. Data Nucl. Data Tables 77, 1 (2001)] and other available experimental data as well as theoretical predictions is done. The observed abrupt changes of the

M_{2, 3}

level widths versus atomic number

Z

can be explained satisfactorily by the cutoffs and onsets of the

M_{2} M_{4} N_{1}

, respectively

M_{3} M_{4} N_{3, 4, 5}

and

M_{3} M_{5} N_{2, 3}

Coster-Kronig transitions deduced from the semiempirical

(Z + 1)

approximation. As a spin-off result of this study, precise

L_{1} M_{2}

and

L_{1} M_{3}

transition energies are obtained for the investigated elements. A very good agreement with transition energies calculated within the many-body perturbation theory is found.

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